Software Público Brasileiro

#!/bin/bash

# > -----------------------------------------
# Run that script with bash even if the user use sh/dash or any sh like 
# interpreter. This way it correctly works with either: 
# "sh ./my_script.bash" or "bash ./my_script.bash" or "./my_script.bash"

if [ -z "$BASH_VERSION" ]
then
    exec bash "$0" "$@"
fi

# < -----------------------------------------

# NOTE: Evita problemas com caminhos relativos! By Questor
SCRIPTDIR_V="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
. $SCRIPTDIR_V/ez_i.bash

# > --------------------------------------------------------------------------
# INÍCIO!
# --------------------------------------

read -d '' TITLE_F <<"EOF"
LBG - LBGenerator Installer
EOF

# NOTE: Para versionamento usar "MAJOR.MINOR.REVISION.BUILDNUMBER"! 
# Usar a mesma versão contida no setup.py! By Questor
# http://programmers.stackexchange.com/questions/24987/what-exactly-is-the-build-number-in-major-minor-buildnumber-revision

read -d '' VERSION_F <<"EOF"
0.8.0.0
EOF

read -d '' ABOUT_F <<"EOF"
This script will install LBG - LBGenerator the LightBase data specification and model!
EOF

read -d '' WARNINGS_F <<"EOF"
- This installer is compatible with RHEL, SUSE, Debian or distributions 
based on these.

- We RECOMMEND you...
    Install all the components (answer yes to everything) and use the default 
        values. Except contrary guidance!
    Check for previous installations! If there is previous 
        installations consider this variant in the process!
    Although this is not mandatory, do the installation process in an 
        exclusive machine for this.

- We NOTICE you...
    This installer assumes that the target distribution has a "standard 
    setup". This may include components such as firewall, SELinux 
    and others.

- We WARNING you...
    THIS INSTALLER AND RESULTING PRODUCTS COMES WITH ABSOLUTELY NO WARRANTY! 
    USE AT YOUR OWN RISK! WE ARE NOT RESPONSIBLE FOR ANY DAMAGE TO YOURSELF, 
    HARDWARE, OR CO-WORKERS. EXCEPT IN CASES WHERE THERE ARE SIGNED CONTRACT 
    THAT REGULATES THIS!
EOF

read -d '' COMPANY_F <<"EOF"
BR Light LTDA - LightBase Consulting in Public Software/LightBase Consultoria em Software Público
+55-61-3347-1949/+55-61-3340-6966 - http://brlight.org/ - Brasil-DF
Free software! Embrace that idea!/Software livre! Abrace essa idéia!
EOF

TUX=$(cat $SCRIPTDIR_V/tux.txt)
f_begin "$TITLE_F" "$VERSION_F" "$ABOUT_F$TUX" "$WARNINGS_F" "$COMPANY_F"
ABOUT_F=""
WARNINGS_F=""

# < --------------------------------------------------------------------------

# > --------------------------------------------------------------------------
# TERMOS E LICENÇA!
# --------------------------------------

read -d '' TERMS_LICEN_F <<"EOF"
BY USING THIS INSTALLER YOU ARE AGREEING TO THE TERMS OF USE OF ALL 
INVOLVED SOFTWARE!
EOF

f_terms_licen "$TERMS_LICEN_F"
TERMS_LICEN_F=""

# < --------------------------------------------------------------------------

# > -----------------------------------------
# Checar se o usuário é root!

f_is_root

# < -----------------------------------------

# > --------------------------------------------------------------------------
# INTRUÇÕES!
# --------------------------------------

read -d '' INSTRUCT_F <<"EOF"
- TO CANCEL installation at any time use Ctrl+c!
EOF

f_instruct "$INSTRUCT_F"
INSTRUCT_F=""

# < --------------------------------------------------------------------------

# NOTE: A razão para a existência dessas variáveis é "abistrair" o
# funcionamento de "f_about_distro" que obtêm informações a partir de
# dados da própria distro e portanto sujeito a variações! By Questor
DISTRO_TYPE=""
DISTRO_NAME=""

# > -----------------------------------------
# Checar se a distro é compatível!

f_open_section
f_about_distro
f_div_section
echo "DISTRO INFORMATION:"
f_div_section
echo "NAME: .... ${F_ABOUT_DISTRO_R[0]}"
echo "VERSION: . ${F_ABOUT_DISTRO_R[1]}"
echo "BASED: ... ${F_ABOUT_DISTRO_R[2]}"
echo "ARCH: .... ${F_ABOUT_DISTRO_R[3]}"
f_div_section

if [[ "${F_ABOUT_DISTRO_R[2]}" == "Debian" ]] || [[ "${F_ABOUT_DISTRO_R[2]}" == "RedHat" ]] || 
    [[ "${F_ABOUT_DISTRO_R[2]}" == "Suse" ]] ; then
    if [[ "${F_ABOUT_DISTRO_R[2]}" == "Debian" ]] ; then
        DISTRO_TYPE="DEB"
        if [[ "${F_ABOUT_DISTRO_R[0]}" == "Ubuntu" ]] ; then
            DISTRO_NAME="Ubuntu"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "14.04" ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 14.04/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        elif [[ "${F_ABOUT_DISTRO_R[0]}" == "Debian GNU/Linux" ]] ; then
            DISTRO_NAME="Debian"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "8" ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 8/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        else
            f_div_section
            f_yes_no "Linux distro may be incompatible with this installer (expected: Ubuntu or Debian/obtained: ${F_ABOUT_DISTRO_R[0]})! Continue?"
            if [ ${YES_NO_R} -eq 0 ] ; then
                exit 0
            fi
        fi
    elif [[ "${F_ABOUT_DISTRO_R[2]}" == "RedHat" ]] ; then
        DISTRO_TYPE="RH"
        if [[ "${F_ABOUT_DISTRO_R[0]}" == "Red Hat Enterprise Linux Server" ]] ; then
            DISTRO_NAME="RedHat"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "7"* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 7.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        elif [[ "${F_ABOUT_DISTRO_R[0]}" == "CentOS Linux" ]] ; then
            DISTRO_NAME="CentOS"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "7"* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 7.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        else
            f_div_section
            f_yes_no "Linux distro may be incompatible with this installer (expected: CentOS or Red Hat Enterprise Linux Server/obtained: ${F_ABOUT_DISTRO_R[0]})! Continue?"
            if [ ${YES_NO_R} -eq 0 ] ; then
                exit 0
            fi
        fi
    elif [[ "${F_ABOUT_DISTRO_R[2]}" == "Suse" ]] ; then
        DISTRO_TYPE="SUSE"
        if [[ "${F_ABOUT_DISTRO_R[0]}" == "openSUSE" ]] ; then
            DISTRO_NAME="openSUSE"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "13."* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 13.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        elif [[ "${F_ABOUT_DISTRO_R[0]}" == "SLES" ]] ; then
            DISTRO_NAME="SLES"
            if [[ "${F_ABOUT_DISTRO_R[1]}" != "12."* ]] ; then
                f_div_section
                f_yes_no "Linux version may be incompatible with this installer (expected: 12.X/obtained: ${F_ABOUT_DISTRO_R[1]})! Continue?"
                if [ ${YES_NO_R} -eq 0 ] ; then
                    exit 0
                fi
            fi
        else
            f_div_section
            f_yes_no "Linux distro may be incompatible with this installer (expected: openSUSE or SUSE Linux Enterprise Server/obtained: ${F_ABOUT_DISTRO_R[0]})! Continue?"
            if [ ${YES_NO_R} -eq 0 ] ; then
                exit 0
            fi
        fi
    fi

    if [[ "${F_ABOUT_DISTRO_R[3]}" != "x86_64" ]] ; then
        f_enter_to_cont "Linux architecture completely incompatible with this installer (expected: x86_64/obtained: ${F_ABOUT_DISTRO_R[3]})!"
        exit 0
    fi
else
    f_enter_to_cont "Linux distro completely incompatible with this installer (expected: Debian (or based) or RedHat (or based) or SUSE (or based)/obtained: ${F_ABOUT_DISTRO_R[2]})!"
    exit 0
fi
f_close_section

# < -----------------------------------------

# > -----------------------------------------
# Dá ao usuário a possibilidade de usar o instalador no modo rápido. Bom para 
# conhecer/testar o sistema de forma simples sem preucupar-se com configurações!

# NOTE: É possível forçar o processo de instalação no modo rápido setando 
# "FAST_INST" com 1! By Questor
FAST_INST=0
if [ ${FAST_INST} -eq 0 ] ; then
    f_open_section
    f_div_section
    f_yes_no "Use fast install (use default values for most of the options)? 

NOTE: RECOMMENDED FOR THOSE who want to KNOW and TEST the LB system components 
quickly and easily. DO NOT USE FOR PRODUCTION ENVIRONMENT! If YES the 
installation of all LB system components MUST AND WILL BE LOCAL!

Use it?"
    if [ ${YES_NO_R} -eq 1 ] ; then

        # NOTE: Essa variável serve apenas para "preservar" o valor 
        # setado pelo usuário sendo somente "leitura". A variável a 
        # ser usada nas regras deve ser "EZ_I_SKIP_ON_V" (ez_i.bash)! Essa 
        # estratégia serve para mudarmos o comportamento do "ez_i.bash" 
        # de acordo com as circunstâncias! By Questor
        FAST_INST=1

        # NOTE: Essa variável é para consumo do "ez_i.bash", para que ele 
        # não execute algumas funções e torne o processo de 
        # instalação mais simples! By Questor
        EZ_I_SKIP_ON_V=1
    fi
    f_close_section
    sleep 1
fi

# < -----------------------------------------

# > -----------------------------------------
# Desabilita o SElinux!

if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    EZ_I_SKIP_ON_V=0
    f_open_section
    f_div_section
    f_yes_no "Disable SElinux (use \"y\" if you never did it)?"
    if [ ${YES_NO_R} -eq 1 ] ; then
        setenforce 0

        # NOTE: As condições abaixo visam evitar que o arquivo seja
        # desnecessariamente e erroneamente modificado! By Questor
        EZ_I_SKIP_ON_V=$FAST_INST
        f_fl_cont_str "# SELINUX=enforcing" "/etc/sysconfig/selinux" "The file \"/etc/sysconfig/selinux\" probably has already been changed! Check it!"
        EZ_I_SKIP_ON_V=0
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_fl_cont_str "SELINUX=disabled" "/etc/sysconfig/selinux"
            if [ ${FL_CONT_STR_R} -eq 0 ] ; then
                f_ez_sed "SELINUX=enforcing" "# SELINUX=enforcing\nSELINUX=disabled" "/etc/sysconfig/selinux"
            fi
        fi
    fi
    f_close_section
fi

# < -----------------------------------------

# > -----------------------------------------
# Atualizar a distro (repositório)!

EZ_I_SKIP_ON_V=$FAST_INST
f_open_section
if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    if [[ "$DISTRO_NAME" == "RedHat" ]] ; then
        RESOURCES_ARR_P=("Red Hat Enterprise Linux Server")
        f_chk_distro_status "$DISTRO_NAME" RESOURCES_ARR_P[@]
    fi
    f_div_section
    f_yes_no "Update your distro? (\"y\" highly recommended)"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        yum -y update
    fi
    f_pack_is_inst "git" "yum" "\"git\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        yum -y install git
    fi
elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
    f_div_section
    f_yes_no "Update your distro? (\"y\" highly recommended)"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        apt-get -y update
    fi
    f_pack_is_inst "git" "apt-get" "\"git\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        apt-get -y install git
    fi
elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
    if [[ "$DISTRO_NAME" == "SLES" ]] ; then
        RESOURCES_ARR_P=("SUSE_Linux_Enterprise_Server_12_SP1_x86_64"
"SUSE_Linux_Enterprise_Software_Development_Kit_12_SP1_x86_64"
"Web_and_Scripting_Module_12_x86_64")
        f_chk_distro_status "SLES" RESOURCES_ARR_P[@]
    fi
    f_div_section
    f_yes_no "Update your distro? (\"y\" highly recommended)"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        zypper --non-interactive update
    fi
    f_pack_is_inst "git-core" "zypper" "\"git-core\" already installed!"
    if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
        zypper --non-interactive install git-core
    fi
fi
f_close_section

# < -----------------------------------------

# > -----------------------------------------
# Instalar pacotes que são comuns a determinados componentes!

F_COM_PKS_INSTALLED=0
f_common_packs() {
    : 'Instalar pacotes que são comuns a determinados componentes.'

    if [ ${F_COM_PKS_INSTALLED} -eq 0 ] ; then
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_pack_is_inst "gcc-c++" "yum" "\"gcc-c++\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install gcc-c++
            fi
            f_pack_is_inst "autoconf" "yum" "\"autoconf\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install autoconf
            fi
            f_pack_is_inst "automake" "yum" "\"automake\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install automake
            fi
            f_pack_is_inst "libtool" "yum" "\"libtool\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install libtool
            fi
            f_pack_is_inst "zlib-devel" "yum" "\"zlib-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install zlib-devel
            fi
            f_pack_is_inst "openssl-devel" "yum" "\"openssl-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install openssl-devel
            fi
            f_pack_is_inst "postgresql-devel" "yum" "\"postgresql-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install postgresql-devel
            fi
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_pack_is_inst "g++" "apt-get" "\"g++\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install g++
            fi
            f_pack_is_inst "autoconf" "apt-get" "\"autoconf\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install autoconf
            fi
            f_pack_is_inst "make" "apt-get" "\"make\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install make
            fi
            f_pack_is_inst "libtool" "apt-get" "\"libtool\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install libtool
            fi
            f_pack_is_inst "zlib1g-dev" "apt-get" "\"zlib1g-dev\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install zlib1g-dev
            fi
            f_pack_is_inst "libssl-dev" "apt-get" "\"libssl-dev\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install libssl-dev
            fi
            f_pack_is_inst "dh-exec" "apt-get" "\"dh-exec\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install dh-exec
            fi
            f_pack_is_inst "libpq-dev" "apt-get" "\"libpq-dev\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install libpq-dev
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_pack_is_inst "gcc-c++" "zypper" "\"gcc-c++\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install gcc-c++
            fi
            if [[ "$DISTRO_NAME" != "SLES" ]] ; then
                f_pack_is_inst "automake" "zypper" "\"automake\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install automake
                fi
                f_pack_is_inst "make" "zypper" "\"make\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install make
                fi
                f_pack_is_inst "libtool" "zypper" "\"libtool\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install libtool
                fi
                f_pack_is_inst "autoconf" "zypper" "\"autoconf\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    zypper --non-interactive install autoconf
                fi
            fi
            f_pack_is_inst "zlib-devel" "zypper" "\"zlib-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install zlib-devel
            fi
            f_pack_is_inst "libopenssl-devel" "zypper" "\"libopenssl-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install libopenssl-devel
            fi
            f_pack_is_inst "postgresql-devel" "zypper" "\"postgresql-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install postgresql-devel
            fi
        fi
        F_COM_PKS_INSTALLED=1
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Passa comando para serviços conforme a distro em execução!

f_svc_helper() {
    : 'Passa comando para serviços conforme a distro em execução.

    Args:
        SVC_HLP_NM_P (str): Nome do serviço.
        SVC_HLP_CMD_P (str): Comando para o serviço executar.
        SVC_HLP_IN_SILENCE (Optional[int]): 1 - Sem saída para o terminal; 
            0 - Com saída para o terminal. Padrão 0.
    '
    SVC_HLP_NM_P=$1
    SVC_HLP_CMD_P=$2
    SVC_HLP_IN_SILENCE=$3
    if [ -z "$SVC_HLP_IN_SILENCE" ] ; then
        SVC_HLP_IN_SILENCE=0
    fi
    SVC_HLP_SILENCE_CMD=""
    if [ ${SVC_HLP_IN_SILENCE} -eq 1 ] ; then
        SVC_HLP_SILENCE_CMD=" &>/dev/null"
    fi
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        eval "systemctl $SVC_HLP_CMD_P $SVC_HLP_NM_P.service$SVC_HLP_SILENCE_CMD"
    elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        eval "service $SVC_HLP_NM_P $SVC_HLP_CMD_P$SVC_HLP_SILENCE_CMD"
    elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
        eval "service $SVC_HLP_NM_P $SVC_HLP_CMD_P$SVC_HLP_SILENCE_CMD"
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Abrir o firewall para uma porta definida para um dado serviço

f_fire_hlp() {
    : 'Abrir o firewall para uma porta definida para um dado serviço.

    Args:
        FIRE_SVC_NM_P (str): Nome do serviço.
        FIRE_PORT_P (int): Porta a ser aberta.
    '

    FIRE_SVC_NM_P=$1
    FIRE_PORT_P=$2
    if [[ "$DISTRO_TYPE" == "RH" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_div_section
            f_yes_no "Open firewall for $FIRE_SVC_NM_P (TCP $FIRE_PORT_P)?"
            if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
                f_chk_iptables $FIRE_PORT_P "Port $FIRE_PORT_P is already open!" 0 "ACCEPT" "tcp" "NEW"
                if [ ${F_CHK_IPTABLES_R} -eq 1 ] ; then
                    firewall-cmd --zone=public --add-port=$FIRE_PORT_P/tcp --permanent
                    firewall-cmd --reload
                fi
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_div_section
            f_yes_no "Open firewall for $FIRE_SVC_NM_P (TCP $FIRE_PORT_P)?"
            if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
                f_chk_iptables $FIRE_PORT_P "Port $FIRE_PORT_P is already open!" 0 "ACCEPT" "tcp"
                if [ ${F_CHK_IPTABLES_R} -eq 1 ] ; then
                    SuSEfirewall2 open EXT TCP $FIRE_PORT_P
                    SuSEfirewall2 stop
                    SuSEfirewall2 start
                fi
            fi
        fi
    fi
}

# < -----------------------------------------

# > --------------------------------------------------------------------------
# INSTALAÇÃO DO ElasticSearch!
# --------------------------------------

# > -----------------------------------------
# Instalar o ElasticSearch!

ES_INST=0
ES_NAME="Elasticsearch 1.7.5"
ES_SERV_CMD="/etc/init.d/elasticsearch"
EZ_I_SKIP_ON_V=$FAST_INST
f_open_section
f_div_section
f_yes_no "Install $ES_NAME?"
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_chk_by_path_hlp "/usr/local/elasticsearch" "d" "\"elasticsearch-1.7.5.tar.gz\" already installed in \"/usr/local/elasticsearch\"!"
    F_BAK_MD_R=1
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
        f_ez_mv_bak "/usr/local/elasticsearch" "Backup old version and update/reinstall? (\"y\" recommended)"
        if [ ${F_BAK_MD_R} -eq 1 ] ; then
            $ES_SERV_CMD stop &>/dev/null
            cd "$F_BAK_PATH_R"
            cd ..
            tar -cvvzf "$F_BAK_NAME_R.tar.gz" "./$F_BAK_NAME_R"
            rm -rf "$F_BAK_PATH_R"
        fi
    fi
    if [ ${F_BAK_MD_R} -eq 1 ] ; then
        f_common_packs
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_pack_is_inst "java-1.8.0-openjdk" "yum" "\"java-1.8.0-openjdk\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install java-1.8.0-openjdk
            fi
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_pack_is_inst "openjdk-7-jdk" "apt-get" "\"openjdk-7-jdk\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install openjdk-7-jdk
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_pack_is_inst "java-1_7_0-openjdk" "zypper" "\"java-1_7_0-openjdk\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install java-1_7_0-openjdk
            fi
        fi
        cd "$SCRIPTDIR_V"
        cd ./other-srcs-n-apps
        tar -zxvf elasticsearch-1.7.5.tar.gz
        mv elasticsearch-1.7.5 /usr/local/elasticsearch
        tar -zxvf elasticsearch-servicewrapper-master.tar.gz
        mv elasticsearch-servicewrapper-master/service /usr/local/elasticsearch/bin/
        rm -rf elasticsearch-servicewrapper-master
        /usr/local/elasticsearch/bin/service/elasticsearch install
        f_div_section

        # NOTE: [ref.: https://stackoverflow.com/questions/16432300/how-to-config-single-node-for-single-cluster-standalone-cluster-elasticsearch]! By Questor
        f_yes_no "Use $ES_NAME as single node (standalone server) (\"y\" highly recommended)?
* It will not be accessible to others servers (nodes) and will not discover others servers (nodes);
* This prevents erroneous and improper replication of your indexes."
        if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
            f_ez_sed "#http.jsonp.enable: true" "#http.jsonp.enable: true\n\n# It will not be accessible to others server (nodes) and will not discover\n# other server (nodes).\nnode.local: true" "/usr/local/elasticsearch/config/elasticsearch.yml"
        fi
        $ES_SERV_CMD start
        f_fire_hlp "elasticsearch" 9200
    fi
    ES_INST=1
fi
f_close_section

# < -----------------------------------------

# < --------------------------------------------------------------------------

# > --------------------------------------------------------------------------
# INSTALAÇÃO DO POSTGRESQL!
# --------------------------------------

# > -----------------------------------------
# Configurar o postgresql!

CONF_PG=0
PG_USER_F="lbu"
PG_PWD_F="lbu"
f_conf_postgresql() {
    EZ_I_SKIP_ON_V=0
    f_div_section
    f_yes_no "Configure $PG_NAME (use \"y\" if you never did it)?"
    PG_EXT_ACS_F=""
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        PG_HBA_PATH="/var/lib/pgsql/9.4/data/pg_hba.conf"
        PG_CONF_PATH="/var/lib/pgsql/9.4/data/postgresql.conf"
    elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
        if [[ "$DISTRO_NAME" == "Debian" ]] ; then
            PG_HBA_PATH="/etc/postgresql/9.4/main/pg_hba.conf"
            PG_CONF_PATH="/etc/postgresql/9.4/main/postgresql.conf"
        else
            PG_HBA_PATH="/etc/postgresql/9.3/main/pg_hba.conf"
            PG_CONF_PATH="/etc/postgresql/9.3/main/postgresql.conf"
        fi
    elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        PG_HBA_PATH="/var/lib/pgsql/data/pg_hba.conf"
        PG_CONF_PATH="/var/lib/pgsql/data/postgresql.conf"
    fi
    if [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        if [[ "$DISTRO_TYPE" == "DEB" ]] && [[ "$DISTRO_NAME" == "Debian" ]] ; then
            f_pack_is_inst "sudo" "apt-get" "\"sudo\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install sudo
            fi
        fi
        QUESTION_F="Enter the $PG_NAME user for LBG - LBGenerator. 
Use empty for \"$PG_USER_F\"!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            PG_USER_F=$GET_USR_INPUT_R
        fi
        QUESTION_F="Enter the $PG_NAME password for \"$PG_USER_F\". 
Use empty for \"$PG_PWD_F\"!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            PG_PWD_F=$GET_USR_INPUT_R
        fi
        QUESTION_F="Enter one ip or ip range for external access.
Use empty for local access only!
* e.g. \"172.20.143.89/32\" for a single host or \"172.20.143.0/24\" for a small network or \"10.6.0.0/16\" for a larger one!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            PG_EXT_ACS_F=$GET_USR_INPUT_R
        fi
        QUESTION_F="Enter the maximum number of $PG_NAME connections (numbers only, integers only).
Use empty for $PG_CONNECTIONS connections (default)!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            PG_CONNECTIONS=$GET_USR_INPUT_R
        fi
        EZ_I_SKIP_ON_V=0
        f_svc_helper "$PG_SERV_NAME" "start" 1
        f_is_not_running "postgres" "ERROR! \"postgres\" service not running!"
        if [ ${F_IS_NOT_RUNNING_R} -eq 0 ] ; then
            cd /tmp
            f_get_stderr_stdout "sudo -u postgres psql -tAc \"SELECT * FROM pg_roles WHERE rolname='$PG_USER_F';\""
            if [[ $F_GET_STDOUT_R == *"$PG_USER_F|"* ]]; then
                # NOTE: 
                # rolname|
                # rolsuper|
                # rolinherit|
                # rolcreaterole|
                # rolcreatedb|
                # rolcatupdate|
                # rolcanlogin|
                # rolconnlimit|
                # rolpassword|
                # rolvaliduntil|
                # rolconfig|
                # oid
                # ! By Questor
                if [[ $F_GET_STDOUT_R != *"$PG_USER_F|t|t|t|t|t|t|f|-1|"* ]]; then
                    f_div_section
                    echo "The user \"$PG_USER_F\" already created, but something is apparently wrong with his roles. The expected roles are \"lbu|f|t|t|t|t|t|f|-1|...\"! DETAILS: \"$F_GET_STDOUT_R\"."
                    f_div_section
                    f_continue
                else
                    EZ_I_SKIP_ON_V=$FAST_INST
                    f_enter_to_cont "The user \"$PG_USER_F\" already created and his roles are correct!"
                    EZ_I_SKIP_ON_V=0
                fi
            else
                if [[ $F_GET_STDERR_R == "" ]]; then
                    sudo -u postgres psql -c "CREATE USER $PG_USER_F INHERIT SUPERUSER CREATEROLE CREATEDB;"
                    sudo -u postgres psql -c "ALTER USER $PG_USER_F PASSWORD '$PG_PWD_F';"
                else
                    f_enter_to_cont "An error occurred when creating \"$PG_USER_F\" user permissions! ERROR: \"$F_GET_STDERR_R\"."
                    f_error_exit
                fi
            fi
            cd - &>/dev/null
        else
            f_error_exit
        fi
        EZ_I_SKIP_ON_V=$FAST_INST
        if [ -n "$PG_EXT_ACS_F" ] ; then
            f_fl_cont_str "host    all             all             $PG_EXT_ACS_F            trust" "$PG_HBA_PATH" "The file \"$PG_HBA_PATH\" probably has already been changed to enable external access! Check it!"
            if [ ${FL_CONT_STR_R} -eq 0 ] ; then
                f_ez_sed "# IPv4 local connections:" "# IPv4 local connections:\nhost    all             all             $PG_EXT_ACS_F            trust" "$PG_HBA_PATH"
            fi
        fi
        f_fl_cont_str "host    all             all             127.0.0.1/32            trust" "$PG_HBA_PATH" "The file \"$PG_HBA_PATH\" probably has already been changed to enable local access! Check it!"
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_ez_sed "# IPv4 local connections:" "# IPv4 local connections:\nhost    all             all             127.0.0.1/32            trust" "$PG_HBA_PATH"
        fi
        f_fl_cont_str "listen_addresses = '*'" "$PG_CONF_PATH" "The file \"$PG_CONF_PATH\" probably has already been changed to set \"listen addresses\"! Check it!"
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_ez_sed "# - Connection Settings -" "# - Connection Settings -\n\nlisten_addresses = '*'" "$PG_CONF_PATH"
        fi
        f_fl_cont_str "#max_connections = 100" "$PG_CONF_PATH" "The file \"$PG_CONF_PATH\" probably has already been changed to set \"maximum number connections\"! Check it!"
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_ez_sed "max_connections = 100" "#max_connections = 100\nmax_connections = $PG_CONNECTIONS" "$PG_CONF_PATH"
        fi
        f_svc_helper "$PG_SERV_NAME" "restart"
        f_enter_to_cont "The files \"$PG_HBA_PATH\" and \"$PG_CONF_PATH\" has settings for $PG_NAME! Check it for more details!"
        EZ_I_SKIP_ON_V=0
        CONF_PG=1
    else
        f_enter_to_cont "The files \"$PG_HBA_PATH\" and \"$PG_CONF_PATH\" has settings for $PG_NAME! Check it for more details!"
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar o postgresql!

PG_INST=0
PG_NAME=""
PG_SERV_NAME=""
PG_PACK_NAME=""
PG_CONNECTIONS=100
if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    PG_NAME="PostgreSQL 9.4"
    PG_SERV_NAME="postgresql-9.4"
    if [[ "$DISTRO_NAME" == "RedHat" ]] ; then
        PG_PACK_NAME="pgdg-redhat94-9.4-3.noarch.rpm"
    else
        PG_PACK_NAME="pgdg-centos94-9.4-3.noarch.rpm"
    fi
elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
    if [[ "$DISTRO_NAME" == "Debian" ]] ; then
        PG_NAME="PostgreSQL 9.4"
        PG_SERV_NAME="postgresql"
        PG_PACK_NAME="postgresql-9.4"
    else
        PG_NAME="PostgreSQL 9.3"
        PG_SERV_NAME="postgresql"
        PG_PACK_NAME="postgresql-9.3"
    fi
elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
    if [[ "$DISTRO_NAME" == "SLES" ]] ; then
        PG_NAME="PostgreSQL 9.4"
        PG_SERV_NAME="postgresql"
        PG_PACK_NAME="postgresql94-server"
    else
        PG_NAME="PostgreSQL 9.3"
        PG_SERV_NAME="postgresql"
        PG_PACK_NAME="postgresql93-server"
    fi
fi
EZ_I_SKIP_ON_V=$FAST_INST
f_open_section
f_div_section
f_yes_no "Install $PG_NAME?"
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    f_common_packs
    cd "$SCRIPTDIR_V"
    cd ./other-srcs-n-apps
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        f_pack_is_inst "postgresql94-server" "yum" "\"postgresql94-server\" already installed!"
        if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
            yum -y localinstall $PG_PACK_NAME
            yum -y install postgresql94-server
            /usr/pgsql-9.4/bin/postgresql94-setup initdb
            f_svc_helper "$PG_SERV_NAME" "enable"
        fi
    elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
        f_pack_is_inst "$PG_PACK_NAME" "apt-get" "\"$PG_PACK_NAME\" already installed!"
        if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
            apt-get -y install $PG_PACK_NAME
            update-rc.d -f $PG_SERV_NAME remove
            update-rc.d $PG_SERV_NAME defaults
        fi
    elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        f_pack_is_inst "$PG_PACK_NAME" "zypper" "\"$PG_PACK_NAME\" already installed!"
        if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
            zypper --non-interactive install $PG_PACK_NAME
            chkconfig $PG_SERV_NAME on
        fi
    fi
    f_svc_helper "$PG_SERV_NAME" "start"
    f_conf_postgresql
    f_fire_hlp "$PG_NAME" 5432
    PG_INST=1
fi
f_close_section

# < -----------------------------------------

# > -----------------------------------------
# Criar as estruturas de dados básicas do LB no postgresql!

CREATE_LB_DT=0
EZ_I_SKIP_ON_V=0
PG_DB_F="lb"
f_open_section
f_div_section
f_yes_no "Create the basic LBG - LBGenerator data structures in $PG_NAME (use \"y\" if you never did it)?"
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
    EZ_I_SKIP_ON_V=$FAST_INST
    QUESTION_F="Enter the $PG_NAME database name for LBG - LBGenerator. 
Use empty for \"$PG_DB_F\" (recommended)!"
    f_div_section
    f_get_usr_input "$QUESTION_F" 1
    QUESTION_F=""
    if [ -n "$GET_USR_INPUT_R" ] ; then
        PG_DB_F=$GET_USR_INPUT_R
    fi
    EZ_I_SKIP_ON_V=0
    f_is_not_running "postgres" "ERROR! \"postgres\" service not running!"
    if [ ${F_IS_NOT_RUNNING_R} -eq 0 ] ; then
        cd /tmp
        F_GET_STDERR_R_HOLDER_0=""
        LINE_BREAKS_0=""
        EZ_I_SKIP_ON_V=$FAST_INST
        # NOTE: Define o "LC_COLLATE" e o "LC_CTYPE" para a database criada. 
        # Não é necessário, mas se u usuário quiser, tem a opção! By Questor
        LC_C_PG="$LANG"
        f_div_section
        f_get_usr_input "Enter the \"LC_COLLATE\"/\"LC_CTYPE\" for \"$PG_DB_F\" database (E.g. en_US.UTF-8, pt_BR.UTF-8...). 
Use empty for \"$LANG\" (system default)!" 1
        if [ -n "$GET_USR_INPUT_R" ] ; then
            LC_C_PG=$GET_USR_INPUT_R
        fi
        f_get_stderr_stdout "sudo -u postgres psql -c \"CREATE DATABASE $PG_DB_F WITH ENCODING = 'UTF8' TABLESPACE = pg_default LC_COLLATE = '$LC_C_PG' LC_CTYPE = '$LC_C_PG' CONNECTION LIMIT = -1;\""
        F_GET_STDERR_R_HOLDER_0=$F_GET_STDERR_R_HOLDER_0$F_GET_STDERR_R
        f_get_stderr_stdout "sudo -u postgres psql -c \"ALTER DATABASE $PG_DB_F SET DateStyle = 'iso, dmy';\""
        if [[ $F_GET_STDERR_R_HOLDER_0 != "" ]]; then
            LINE_BREAKS_0="\n\n"
        fi
        F_GET_STDERR_R_HOLDER_0=$F_GET_STDERR_R_HOLDER_0$LINE_BREAKS_0$F_GET_STDERR_R
        if [[ $F_GET_STDERR_R_HOLDER_0 != "" ]]; then
            if [[ $F_GET_STDERR_R_HOLDER_0 == *" already exists"* ]]; then
                EZ_I_SKIP_ON_V=$FAST_INST
                f_enter_to_cont "The database \"$PG_DB_F\" already created!"
                EZ_I_SKIP_ON_V=0
            else
                EZ_I_SKIP_ON_V=0
                f_div_section
                echo "Error when creating \"$PG_DB_F\" database! ERROR: \"$F_GET_STDERR_R_HOLDER_0\"."
                f_div_section
                f_error_exit
            fi
        else
            cd "$SCRIPTDIR_V"
            cp ./lbn-basic-dt-strt/lb_basic_dt_strt.sql /tmp
            cd /tmp
            chmod 700 lb_basic_dt_strt.sql
            chown postgres lb_basic_dt_strt.sql
            chown :postgres lb_basic_dt_strt.sql
            sudo -u postgres psql $PG_DB_F -f lb_basic_dt_strt.sql
            rm -f lb_basic_dt_strt.sql
        fi
    else
        f_error_exit
    fi
    CREATE_LB_DT=1
else
    f_enter_to_cont "The file \"./lbn-basic-dt-strt/lb_basic_dt_strt.sql\" has the basic LBG - LBGenerator data structures! Check it!"
fi
f_close_section

# < -----------------------------------------

# < --------------------------------------------------------------------------

# > --------------------------------------------------------------------------
# INSTALAÇÃO DO LBG - LBGenerator!
# --------------------------------------

BASE_INST_DIR_V="/usr/local/lb"
# > -----------------------------------------
# Criar o diretório base da instalação!

f_create_base_dir() {
    f_chk_by_path_hlp "$BASE_INST_DIR_V" "d"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        mkdir -p "$BASE_INST_DIR_V"
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar o python3.2!

f_inst_py32() {
    : 'Instala a Python3.2!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi

    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install python3.2?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_chk_by_path_hlp "$BASE_INST_DIR_V/py32" "d" "python3.2 already installed in \"$BASE_INST_DIR_V/py32\"!"
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
            f_common_packs
            cd "$SCRIPTDIR_V"
            cd ./other-srcs-n-apps
            tar -zxvf Python-3.2.2.tar.gz
            cd ./Python-3.2.2
            eval "./configure --prefix=$BASE_INST_DIR_V/py32/ --with-threads --enable-shared LDFLAGS=-Wl,-rpath=$BASE_INST_DIR_V/py32/lib/"
            make && make install
            cd ..
            rm -rf ./Python-3.2.2
        fi
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar o virtualenv-1.11.6 no python3.2!

f_inst_ve_py32() {
    : 'Instala o virtualenv-1.11.6 no python3.2!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install virtualenv-1.11.6 on python3.2?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_chk_by_path_hlp "$BASE_INST_DIR_V/py32/bin/virtualenv-3.2" "f" "virtualenv-1.11.6 already installed in python3.2 (\"$BASE_INST_DIR_V/py32\")!"
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
            f_common_packs
            cd "$SCRIPTDIR_V"
            cd ./other-srcs-n-apps
            tar -zxvf virtualenv-1.11.6.tar.gz
            cd virtualenv-1.11.6
            $BASE_INST_DIR_V/py32/bin/python3.2 setup.py install
            cd ..
            rm -rf virtualenv-1.11.6
        fi
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Criar o ambiente virtual (python3.2)!

f_create_ve32() {
    : 'Cria o ambiente virtual (python3.2)!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    criar. Padrão 0.
        VE_NAME (str): Nome do virtualenv a ser criado.
    '

    DONT_PROMPT_TO_INST=$1
    VE_NAME=$2
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    f_enter_to_cont "Create the virtual environment (python3.2)!"
    EZ_I_SKIP_ON_V=$FAST_INST
    f_chk_by_path_hlp "$BASE_INST_DIR_V/$VE_NAME" "d" "Virtual environment (python3.2) already created in \"$BASE_INST_DIR_V/$VE_NAME\"!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_pack_is_inst "python-setuptools" "yum" "\"python-setuptools\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install python-setuptools
            fi
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_pack_is_inst "python-setuptools" "apt-get" "\"python-setuptools\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install python-setuptools
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_pack_is_inst "python-setuptools" "zypper" "\"python-setuptools\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install python-setuptools
            fi
        fi
        f_common_packs
        cd "$BASE_INST_DIR_V"
        $BASE_INST_DIR_V/py32/bin/virtualenv-3.2 $VE_NAME
        mkdir "$BASE_INST_DIR_V/$VE_NAME/src"
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Determine an appropriate amount of processes!

NPROCESSES=0
f_num_for_procs() {
    : 'Determine an appropriate amount of processes.'

    if (( NPROCESSES == 0 )) ; then
        f_get_stderr_stdout "nproc"
        if [[ $F_GET_STDERR_R == "" ]]; then

            # NOTE: Esse é o cálculo recomendado segundo algumas fontes. Eu 
            # preferi fazer pelo dobro da quantidade de "cores" obtidas! 
            # By Questor
            # (2 Workers * CPU Cores) + 1
            # ---------------------------
            # Para 1 core -> (2*1)+1 = 3
            # Para 2 cores -> (2*2)+1 = 5
            # Para 4 cores -> (2*4)+1 = 9
            NPROCESSES=$(( F_GET_STDOUT_R * 2 ))
            f_div_section
            f_get_usr_input "The recommended amount of processes to use on this server is \"$NPROCESSES\". 
Use empty for \"$NPROCESSES\" (recommended)!" 1
            if [ -n "$GET_USR_INPUT_R" ] ; then
                NPROCESSES=$GET_USR_INPUT_R
            fi
        else
            f_enter_to_cont "An error occurred when trying to determine an appropriate amount of processes to use on this server! ERROR: \"$F_GET_STDERR_R$F_GET_STDOUT_R\"."
            f_error_exit
        fi
    fi
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar o NGINX (nginx)!

NGINX_INST=0
f_inst_nginx() {
    : 'Instala o Nginx e seta uma porta diferente se esse for o caso!

    Args:
        NGINX_PORT (Optional[int]): Porta a ser configurada para o Nginx. 
    Padrão 8008.
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    NGINX_PORT=$1
    if [ -z "$NGINX_PORT" ] ; then
        NGINX_PORT=8008
    fi
    DONT_PROMPT_TO_INST=$2
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install NGINX as load balancer (\"y\" highly recommended)?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_common_packs
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_pack_is_inst "pcre-devel" "yum" "\"pcre-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install pcre-devel
            fi
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_pack_is_inst "libpcre3-dev" "apt-get" "\"libpcre3-dev\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install libpcre3-dev
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_pack_is_inst "pcre-devel" "zypper" "\"pcre-devel\" already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install pcre-devel
            fi
        fi
        cd "$SCRIPTDIR_V"
        cd ./other-srcs-n-apps
        UP_NGINX=1
        f_chk_by_path_hlp "/usr/sbin/nginx" "f" "\"NGINX\" already installed in \"/etc/nginx\"!"
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
            f_div_section
            f_yes_no "Update/reinstall \"NGINX\"? (\"y\" recommended)"
            UP_NGINX=$YES_NO_R
        fi
        if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${UP_NGINX} -eq 1 ] ; then
            tar -zxvf nginx-1.8.1.tar.gz
            cd ./nginx-1.8.1
            ./configure                              \
           --user=nginx                              \
           --group=nginx                             \
           --prefix=/etc/nginx                       \
           --sbin-path=/usr/sbin/nginx               \
           --conf-path=/etc/nginx/nginx.conf         \
           --pid-path=/var/run/nginx.pid             \
           --lock-path=/var/run/nginx.lock           \
           --error-log-path=/var/log/nginx/error.log \
           --http-log-path=/var/log/nginx/access.log \
           --with-http_gzip_static_module            \
           --with-http_stub_status_module            \
           --with-http_ssl_module                    \
           --with-pcre                               \
           --with-file-aio                           \
           --with-http_realip_module
            make -j 4 && make install
            cd ..
            if [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                mkdir "$NGINX_CONF_PATH" &>/dev/null
                mkdir "$NGINX_CONF_PATH_E" &>/dev/null
            elif [[ "$DISTRO_TYPE" == "RH" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
                mkdir "$NGINX_CONF_PATH" &>/dev/null
            fi
            rm -rf ./nginx-1.8.1
        fi

        # NOTE: Criar o usuário "nginx" caso não exista! By Questor
        if [ -z "`grep nginx /etc/passwd`" ]; then
            useradd -M -s /sbin/nologin nginx
            groupadd nginx &>/dev/null
        fi
        f_ez_mv_bak "/etc/nginx/nginx.conf"
        if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
            EZ_I_SKIP_ON_V=1
        else
            EZ_I_SKIP_ON_V=$FAST_INST
        fi
        f_enter_to_cont "Backup of \"/etc/nginx/nginx.conf\" original file on \"$F_BAK_PATH_R\"!"
        EZ_I_SKIP_ON_V=$FAST_INST
        \cp "$SCRIPTDIR_V/other-srcs-n-apps/nginx.conf-dist" "/etc/nginx/nginx.conf"

        # NOTE: Determinar um número adequado de processos! By Questor
        f_procs_qtt 2

        f_ez_sed "<PROCESSES_QTT>" "$F_PROCS_QTT_R" "/etc/nginx/nginx.conf"
        f_ez_sed "<NGINX_PORT>" "$NGINX_PORT" "/etc/nginx/nginx.conf"
        if [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_ez_sed "<SITES_ENABLED>" "\n    include /etc/nginx/sites-enabled/*;" "/etc/nginx/nginx.conf"
        else
            f_ez_sed "<SITES_ENABLED>" "" "/etc/nginx/nginx.conf"
        fi
        rm -rf "/etc/init.d/nginx"
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/nginx-RHEL-dist" "/etc/init.d/nginx"
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/nginx-DEB-dist" "/etc/init.d/nginx"
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/nginx-SLES-dist" "/etc/init.d/nginx"
        fi
        cd /etc/init.d/
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            chmod 755 nginx
            chkconfig --add nginx &>/dev/null
            chkconfig --level 345 nginx on
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then

            # TODO: A linha logo abaixo é realmente necessária? Rever p/ os outros instaladores tb! By Questor
            chmod 755 nginx
            chkconfig --add nginx &>/dev/null
            chkconfig --level 345 nginx on
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            update-rc.d -f nginx remove &>/dev/null
            chmod +x ./nginx
            update-rc.d nginx defaults
        fi
        f_svc_helper "nginx" "restart" 1
        NGINX_INST=1
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar o Apache (httpd)!

HTTPD_SERV_NAME=""
HTTPD_USR=""
HTTPD_GRP=""
HTTPD_DEF_DOC_ROOT=""
APACHE_INST=0
if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    HTTPD_SERV_NAME="httpd"
    HTTPD_USR="apache"
    HTTPD_GRP="apache"
    HTTPD_DEF_DOC_ROOT="/var/www"
elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
    HTTPD_SERV_NAME="apache2"
    HTTPD_USR="www-data"
    HTTPD_GRP="www-data"
    HTTPD_DEF_DOC_ROOT="/var/www"
elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
    HTTPD_SERV_NAME="apache2"
    HTTPD_USR="wwwrun"
    HTTPD_GRP="www"
    HTTPD_DEF_DOC_ROOT="/srv/www"
fi

f_inst_apache() {
    : 'Instala o Apache e seta uma porta diferente se esse for o caso!

    Args:
        APACHE_PORT (Optional[int]): Porta a ser configurada para o Apache. 
    Padrão 80.
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    APACHE_PORT=$1
    if [ -z "$APACHE_PORT" ] ; then
        APACHE_PORT=80
    fi
    DONT_PROMPT_TO_INST=$2
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install Apache ($HTTPD_SERV_NAME)?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_common_packs
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            f_pack_is_inst "httpd-devel" "yum" "Apache ($HTTPD_SERV_NAME) already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                yum -y install httpd-devel httpd
                f_svc_helper "$HTTPD_SERV_NAME" "enable"
                if (( $APACHE_PORT != 80 )); then
                    f_fl_cont_str "# Listen 80" "$HTTPD_CONF_PATH_MAIN/httpd.conf" "The file \"$HTTPD_CONF_PATH_MAIN/httpd.conf\" probably has already been changed! Check it!"
                    if [ ${FL_CONT_STR_R} -eq 0 ] ; then
                        f_ez_sed "Listen 80" "# Listen 80\nListen $APACHE_PORT" "$HTTPD_CONF_PATH_MAIN/httpd.conf"
                    fi
                fi
            fi
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_pack_is_inst "apache2-dev" "apt-get" "Apache ($HTTPD_SERV_NAME) already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                apt-get -y install apache2-dev apache2
                update-rc.d -f $HTTPD_SERV_NAME remove
                update-rc.d $HTTPD_SERV_NAME defaults
                if (( $APACHE_PORT != 80 )); then
                    f_fl_cont_str "# Listen 80" "$HTTPD_CONF_PATH_MAIN/ports.conf" "The file \"$HTTPD_CONF_PATH_MAIN/ports.conf\" probably has already been changed! Check it!"
                    if [ ${FL_CONT_STR_R} -eq 0 ] ; then
                        f_ez_sed "Listen 80" "# Listen 80\nListen $APACHE_PORT" "$HTTPD_CONF_PATH_MAIN/ports.conf"
                    fi
                    f_fl_cont_str "# <VirtualHost *:80>" "$HTTPD_CONF_PATH/000-default.conf" "The file \"$HTTPD_CONF_PATH/000-default.conf\" probably has already been changed! Check it!"
                    if [ ${FL_CONT_STR_R} -eq 0 ] ; then
                        f_ez_sed "<VirtualHost *:80>" "# <VirtualHost *:80>\n<VirtualHost *:$APACHE_PORT>" "$HTTPD_CONF_PATH/000-default.conf"
                        rm -f "$HTTPD_CONF_PATH_E/000-default.conf" &>/dev/null
                        ln -s "$HTTPD_CONF_PATH/000-default.conf" "$HTTPD_CONF_PATH_E/000-default.conf" &>/dev/null
                    fi
                fi
            fi
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_pack_is_inst "apache2-devel" "zypper" "Apache ($HTTPD_SERV_NAME) already installed!"
            if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                zypper --non-interactive install apache2-devel apache2
                chkconfig apache2 on
                if (( $APACHE_PORT != 80 )); then
                    f_fl_cont_str "# Listen 80" "$HTTPD_CONF_PATH_MAIN/listen.conf" "The file \"$HTTPD_CONF_PATH_MAIN/listen.conf\" probably has already been changed! Check it!"
                    if [ ${FL_CONT_STR_R} -eq 0 ] ; then
                        f_ez_sed "Listen 80" "# Listen 80\nListen $APACHE_PORT" "$HTTPD_CONF_PATH_MAIN/listen.conf" 0 0 1 0 1
                    fi
                fi
            fi
        fi
        eval "chown -R $HTTPD_USR $HTTPD_DEF_DOC_ROOT"
        eval "chown -R :$HTTPD_GRP $HTTPD_DEF_DOC_ROOT"
        eval "chmod -R 755 $HTTPD_DEF_DOC_ROOT"
        f_svc_helper "$HTTPD_SERV_NAME" "restart" 1
        APACHE_INST=1
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar o mod_wsgi-4.3.2!

MOD_WSGI_PATH=""
f_inst_mod_wsgi() {
    : 'Instala o mod_wsgi!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        MOD_WSGI_PATH="/usr/lib64/httpd/modules/mod_wsgi.so"
    elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
        MOD_WSGI_PATH="/usr/lib/apache2/modules/mod_wsgi.so"
    elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        MOD_WSGI_PATH="/usr/lib64/apache2/mod_wsgi.so"
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install mod_wsgi-4.3.2?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_common_packs
        cd "$SCRIPTDIR_V"
        cd ./other-srcs-n-apps
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            REPLACE_REF="include ld.so.conf.d/*.conf"
        elif [[ "$DISTRO_TYPE" == "DEB" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            REPLACE_REF="include /etc/ld.so.conf.d/*.conf"
        fi
        f_fl_cont_str "$BASE_INST_DIR_V/py32/lib" "/etc/ld.so.conf" "The file \"/etc/ld.so.conf\" probably has already been changed! Check it!"
        if [ ${FL_CONT_STR_R} -eq 0 ] ; then
            f_ez_sed "$REPLACE_REF" "$REPLACE_REF\n$BASE_INST_DIR_V/py32/lib" "/etc/ld.so.conf"
        fi
        UP_MOD_WSGI=1
        f_chk_by_path_hlp "$MOD_WSGI_PATH" "f" "mod_wsgi already installed in \"$MOD_WSGI_PATH\"!"
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
            if [ ${EZ_I_SKIP_ON_V} -eq 0 ] ; then
                TITLE_F="Update/reinstall mod_wsgi? (\"y\" recommended)"
                f_div_section
                f_yes_no "$TITLE_F"
                TITLE_F=""
                UP_MOD_WSGI=$YES_NO_R
                if [ ${UP_MOD_WSGI} -eq 1 ] ; then
                    rm -rf "$MOD_WSGI_PATH"
                fi
            fi
        fi
        if [ ${UP_MOD_WSGI} -eq 1 ] ; then
            ldconfig
            tar -zxvf ./mod_wsgi-4.3.2.tar.gz
            cd ./mod_wsgi-4.3.2
            eval "./configure --with-python=$BASE_INST_DIR_V/py32/bin/python3.2"
            make
            make install
            cd ..
            rm -rf ./mod_wsgi-4.3.2
        fi
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar as dependências python da LIB - liblightbase!

f_inst_lib_py_packs() {
    : 'Instala a liblightbase!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    cd "$SCRIPTDIR_V"
    bash py-packs-liblightbase.bash "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V"
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar as dependências python do uWSGI!

f_inst_uwsgi_py_packs() {
    : 'Instala as dependências do uwsgi!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    cd "$SCRIPTDIR_V"
    bash py-packs-uwsgi.bash "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V"
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

UWSGI_INST=0
# > -----------------------------------------
# Instalar e configurar o uWSGI!

f_inst_uwsgi() {
    : 'Instala o uWSGI!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install the uWSGI?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_inst_uwsgi_py_packs 1
        rm -f "/etc/init.d/uwsgi"
        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/uwsgi-RHEL-dist" "/etc/init.d/uwsgi"
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/uwsgi-SLES-dist" "/etc/init.d/uwsgi"
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/uwsgi-DEB-dist" "/etc/init.d/uwsgi"
        fi
        f_ez_sed "<UWSGI_VE32_PATH>" "$BASE_INST_DIR_V/uwsgi_ve32" "/etc/init.d/uwsgi" 1

        # NOTE: Criar o usuário "uwsgi" caso não exista! By Questor
        if [ -z "`grep uwsgi /etc/passwd`" ]; then
            useradd -M -s /sbin/nologin uwsgi
            groupadd uwsgi &>/dev/null
        fi
        cd /etc/init.d/

        # NOTE: Cria configurações e diretórios para que o uWSGI opere no modo 
        # "emperor"! By Questor
        mkdir -p "$BASE_INST_DIR_V/uwsgi_ve32/src/uWSGI/vassals"
        \cp "$SCRIPTDIR_V/other-srcs-n-apps/production.ini.uwsgi.srv-dist" "$BASE_INST_DIR_V/uwsgi_ve32/src/uWSGI/production.ini"
        f_ez_sed "<UWSGI_VE32_PATH>" "$BASE_INST_DIR_V/uwsgi_ve32" "$BASE_INST_DIR_V/uwsgi_ve32/src/uWSGI/production.ini"

        if [[ "$DISTRO_TYPE" == "RH" ]] ; then
            chmod 755 uwsgi
            chkconfig --add uwsgi &>/dev/null
            chkconfig --level 345 uwsgi on
        elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then

            # TODO: A linha logo abaixo é realmente necessária? Rever p/ os outros instaladores tb! By Questor
            chmod 755 uwsgi
            chkconfig --add uwsgi &>/dev/null
            chkconfig --level 345 uwsgi on
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            update-rc.d -f uwsgi remove &>/dev/null
            chmod +x ./uwsgi
            update-rc.d uwsgi defaults
        fi
        f_svc_helper "uwsgi" "restart" 1
        UWSGI_INST=1
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar a LIB - liblightbase!

f_inst_lib() {
    : 'Instala a liblightbase!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install the LIB - liblightbase?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_chk_by_path_hlp "$BASE_INST_DIR_V/lbg_ve32/src/liblightbase" "d" "\"liblightbase\" already installed in \"$BASE_INST_DIR_V/lbg_ve32/src\"!"
        F_BAK_MD_R=1
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
            f_ez_mv_bak "$BASE_INST_DIR_V/lbg_ve32/src/liblightbase" "Backup old version and update? (\"y\" recommended)"
        fi
        if [ ${F_BAK_MD_R} -eq 1 ] ; then
            f_inst_lib_py_packs 1
            cd "$SCRIPTDIR_V"
            tar -zxvf liblightbase.tar.gz
            mv "$SCRIPTDIR_V/liblightbase" "$BASE_INST_DIR_V/lbg_ve32/src/"
            cd "$BASE_INST_DIR_V/lbg_ve32/src/liblightbase"
            eval "$BASE_INST_DIR_V/lbg_ve32/bin/python3.2 setup.py install"
        fi
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar as dependências python do LBG - LBGenerator!

f_inst_lbg_py_packs() {
    : 'Instala as dependências do LBG - LBGenerator!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    cd "$SCRIPTDIR_V"
    bash py-packs-LBGenerator.bash "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V"
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > --------------------------------------------------------------------------
# Instalar o supervisor!
# -----------------------------------------

# > -----------------------------------------
# Instalar o virtualenv-1.11.6 no python2.X!

PYTHON_2_X=""
VE_2_X=""
f_inst_ve_py2X() {
    : 'Instala a virtualenv no Python2.X!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        PYTHON_2_X="2.7"
        VE_2_X="supervisor_ve27"
    elif [[ "$DISTRO_TYPE" == "DEB" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        PYTHON_2_X="2.7"
        VE_2_X="supervisor_ve27"
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install virtualenv-1.11.6 on python$PYTHON_2_X?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        if [[ "$DISTRO_TYPE" == "RH" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
            f_chk_by_path_hlp "/usr/bin/virtualenv-$PYTHON_2_X" "f" "virtualenv-1.11.6 already installed!"
        elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
            f_chk_by_path_hlp "/usr/local/bin/virtualenv-$PYTHON_2_X" "f" "virtualenv-1.11.6 already installed!"
        fi
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
            if [[ "$DISTRO_TYPE" == "RH" ]] ; then
                f_pack_is_inst "python-setuptools" "yum" "\"python-setuptools\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    yum -y install python-setuptools
                fi
            elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                f_pack_is_inst "python-setuptools" "apt-get" "\"python-setuptools\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    apt-get -y install python-setuptools
                fi
            elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
                # >>>>>>>>>>>>> * Para "zypper --non-interactive install python-setuptools", se o problema abaixo aparecer...

                # Problem: python-setuptools-5.4.1-2.1.4.noarch requires python, but this requirement cannot be provided
                #   uninstallable providers: python-2.7.8-1.1.x86_64[openSUSE-13.2-0]
                #                    python3-3.4.1-4.2.1.x86_64[openSUSE-13.2-0]
                #                    python-2.7.8-1.1.i586[repo-oss]
                #                    python3-3.4.1-4.2.1.i586[repo-oss]
                #                    python-2.7.8-1.1.x86_64[repo-oss]
                #                    python3-3.4.1-4.2.1.x86_64[repo-oss]
                #  Solution 1: deinstallation of patterns-openSUSE-minimal_base-conflicts-20141007-2.1.x86_64
                #  Solution 2: do not install python-setuptools-5.4.1-2.1.4.noarch
                #  Solution 3: do not install python-setuptools-5.4.1-2.1.4.noarch
                #  Solution 4: break python-setuptools-5.4.1-2.1.4.noarch by ignoring some of its dependencies

                # Choose from above solutions by number or cancel [1/2/3/4/c] (c): 

                # <<<<<<<<<<<<<

                # >>>>>>>>>>>>> * Usar 1 e y...

                # Choose from above solutions by number or cancel [1/2/3/4/c] (c): 1
                # Resolving dependencies...
                # Resolving package dependencies...

                # The following 4 NEW packages are going to be installed:
                #   libsqlite3-0 python python-setuptools python-xml 

                # The following package is going to be REMOVED:
                #   patterns-openSUSE-minimal_base-conflicts 

                # The following pattern is going to be REMOVED:
                #   minimal_base-conflicts 

                # 4 new packages to install, 1 to remove.
                # Overall download size: 1.1 MiB. Already cached: 0 B  After the operation, additional 4.2 MiB will be used.
                # Continue? [y/n/? shows all options] (y): 

                # <<<<<<<<<<<<<

                # f_pack_is_inst "python-setuptools" "zypper" "\"python-setuptools\" already installed!"
                # if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                #     zypper --non-interactive install python-setuptools
                #     zypper --non-interactive install python-devel
                # fi
                f_pack_is_inst "python-setuptools" "zypper" "\"python-setuptools\" already installed!"
                if [ ${F_PACK_IS_INST_R} -eq 0 ] ; then
                    f_get_stderr_stdout "zypper --non-interactive install python-setuptools"
                    if [[ $F_GET_STDERR_R$F_GET_STDOUT_R == *"Problem: python-setuptools-"* ]] && 
                        [[ $F_GET_STDERR_R$F_GET_STDOUT_R == *".noarch requires python, but this requirement cannot be provided"* ]] ; then
                        EZ_I_SKIP_ON_V=0
                        f_enter_to_cont "The package management \"zypper\" WILL ASK YOU FOR ADDITIONAL OPTIONS! 
We highly recommended you answer \"1\" and \"y\", respectively!"
                        EZ_I_SKIP_ON_V=$FAST_INST
                        zypper install python-setuptools
                        zypper --non-interactive install python-devel
                    else
                        echo "$F_GET_STDERR_R$F_GET_STDOUT_R"
                    fi
                fi
            fi
            f_common_packs
            cd "$SCRIPTDIR_V"
            cd ./other-srcs-n-apps
            tar -zxvf virtualenv-1.11.6.tar.gz
            cd virtualenv-1.11.6
            python$PYTHON_2_X setup.py install
            cd ..
            rm -rf virtualenv-1.11.6
        fi
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Criar o ambiente virtual (python2.X)!

f_create_ve2X() {
    : 'Cria o ambiente virtual (python2.X)!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    criar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    f_enter_to_cont "Create the virtual environment (python$PYTHON_2_X)!"
    EZ_I_SKIP_ON_V=$FAST_INST
    f_chk_by_path_hlp "$BASE_INST_DIR_V/$VE_2_X" "d" "Virtual environment (python$PYTHON_2_X) already created in \"$BASE_INST_DIR_V/$VE_2_X\"!"
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 0 ] ; then
        f_common_packs
        cd "$BASE_INST_DIR_V"
        virtualenv-$PYTHON_2_X $VE_2_X
        mkdir "$BASE_INST_DIR_V/$VE_2_X/src"
    fi
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

# > -----------------------------------------
# Instalar as dependências python do supervisor!

f_inst_supervisor_py_packs() {
    : 'Instala as dependências do supervisor!

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi
    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
    fi
    cd "$SCRIPTDIR_V"
    bash py-packs-supervisor.bash "$EZ_I_SKIP_ON_V" "$BASE_INST_DIR_V" "$PYTHON_2_X" "$VE_2_X"
    EZ_I_SKIP_ON_V=$FAST_INST
}

# < -----------------------------------------

SVISOR_PORT=9001
SVISOR_USER="lbu"
SVISOR_PWD="lbu"
SVISOR_INST=0
PROC_MAX_MEM_PERC=60

# > -----------------------------------------
# Instalar e configurar o supervisor!

f_inst_supervisor(){
    : 'Instalar e configurar o supervisor.

    Args:
        DONT_PROMPT_TO_INST (Optional[int]): Não questiona o usuário se deseja 
    instalar. Padrão 0.
    '

    DONT_PROMPT_TO_INST=$1
    if [ -z "$DONT_PROMPT_TO_INST" ] ; then
        DONT_PROMPT_TO_INST=0
    fi

    if [ ${DONT_PROMPT_TO_INST} -eq 1 ] || [ ${FAST_INST} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=1
    else
        EZ_I_SKIP_ON_V=$FAST_INST
        f_div_section
    fi
    f_yes_no "Install supervisor?"
    if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then
        EZ_I_SKIP_ON_V=$FAST_INST
        f_inst_ve_py2X 1
        f_create_ve2X 1
        f_chk_by_path_hlp "$BASE_INST_DIR_V/$VE_2_X/src/supervisor" "d" "\"supervisor\" already installed in \"$BASE_INST_DIR_V/$VE_2_X/src/supervisor\"!"
        UP_SUPERVISOR=1
        if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
            f_div_section
            f_yes_no "Update/reinstall \"supervisor\"? (\"y\" recommended)"
            UP_SUPERVISOR=$YES_NO_R
        fi
        if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${UP_SUPERVISOR} -eq 1 ] ; then
            f_inst_supervisor_py_packs 1

            # NOTE: Configurar a aplicação supervisor! By Questor
            mkdir -p "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/apps" &>/dev/null

            f_ez_mv_bak "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf" "" 1 0 1
            f_ez_mv_bak "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/apps/lbg.conf" "" 1 0 1
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/supervisord.conf-dist" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf"
            \cp "$SCRIPTDIR_V/other-srcs-n-apps/lbg.conf-supervisord-dist" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/apps/lbg.conf"
            f_ez_sed "<LBG_VE32_PATH>" "$BASE_INST_DIR_V/lbg_ve32" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/apps/lbg.conf" 1

            # NOTE: Determinar um número adequado de processos! By Questor
            f_procs_qtt 2

            f_ez_sed "<NUM_OF_PROCS>" "$F_PROCS_QTT_R" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/apps/lbg.conf"
            QUESTION_F="Enter the port number for Supervisor service. 
Use empty for \"$SVISOR_PORT\" (recommended)!"
            f_div_section
            f_get_usr_input "$QUESTION_F" 1
            QUESTION_F=""
            if [ -n "$GET_USR_INPUT_R" ] ; then
                SVISOR_PORT=$GET_USR_INPUT_R
            fi
            f_ez_sed "<SVISOR_PORT>" "$SVISOR_PORT" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf"
            QUESTION_F="Enter the Supervisor user. 
Use empty for \"$SVISOR_USER\"!"
            f_div_section
            f_get_usr_input "$QUESTION_F" 1
            QUESTION_F=""
            if [ -n "$GET_USR_INPUT_R" ] ; then
                SVISOR_USER=$GET_USR_INPUT_R
            fi
            QUESTION_F="Enter the Supervisor password for \"$SVISOR_USER\". 
Use empty for \"$SVISOR_PWD\"!"
            f_div_section
            f_get_usr_input "$QUESTION_F" 1
            QUESTION_F=""
            if [ -n "$GET_USR_INPUT_R" ] ; then
                SVISOR_PWD=$GET_USR_INPUT_R
            fi
            f_ez_sed "<SVISOR_USER>" "$SVISOR_USER" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf"
            f_ez_sed "<SVISOR_PWD>" "$SVISOR_PWD" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf"
            f_ez_sed "<VE_2_X_PATH>" "$BASE_INST_DIR_V/$VE_2_X" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf" 1

            # NOTE: Calcula o máximo de memória que o LBG - LBGenerator pode usar do 
            # servidor! By Questor
            f_div_section
            f_get_usr_input "Enter the LBG - LBGenerator MAXIMUM PERCENT server RAM memory usage (numbers only, integers only). 
Use empty for \"$PROC_MAX_MEM_PERC\" (good for most cases)!
* Higher values will cause server instability, crash and other unexpected results;
* Lower values will cause LBG - LBGenerator service instability, crash and other unexpected results." 1
            if [ -n "$GET_USR_INPUT_R" ] ; then
                PROC_MAX_MEM_PERC=$GET_USR_INPUT_R
            fi
            f_srv_memory
            f_get_percent_from "$F_SRV_MEMORY_R" "$PROC_MAX_MEM_PERC"
            PROC_MAX_MEM=$F_GET_PERCENT_FROM_R
            f_ez_sed "<PROC_MAX_MEM>" "$PROC_MAX_MEM" "$BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf"
            rm -f "/etc/init.d/supervisord"
            if [[ "$DISTRO_TYPE" == "RH" ]] ; then
                \cp "$SCRIPTDIR_V/other-srcs-n-apps/supervisord-RHEL-dist" "/etc/init.d/supervisord"
            elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
                \cp "$SCRIPTDIR_V/other-srcs-n-apps/supervisord-SLES-dist" "/etc/init.d/supervisord"
            elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                \cp "$SCRIPTDIR_V/other-srcs-n-apps/supervisord-DEB-dist" "/etc/init.d/supervisord"
            fi
            f_ez_sed "<VE_2_X_PATH>" "$BASE_INST_DIR_V/$VE_2_X" "/etc/init.d/supervisord" 1

            # NOTE: Criar o usuário "supervisord" caso não exista! By Questor
            if [ -z "`grep supervisord /etc/passwd`" ]; then
                useradd -M -s /sbin/nologin supervisord
                groupadd supervisord &>/dev/null
            fi
            cd /etc/init.d/

            if [[ "$DISTRO_TYPE" == "RH" ]] ; then
                chmod 755 supervisord
                chkconfig --add supervisord &>/dev/null
                chkconfig --level 345 supervisord on
            elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then

                # TODO: A linha logo abaixo é realmente necessária? Rever p/ os outros instaladores tb! By Questor
                chmod 755 supervisord
                chkconfig --add supervisord &>/dev/null
                chkconfig --level 345 supervisord on
            elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                update-rc.d -f supervisord remove &>/dev/null
                chmod +x ./supervisord
                update-rc.d supervisord defaults
            fi
            f_svc_helper "supervisord" "restart"

            # NOTE: Abrir firewall p/ o supervisor! By Questor
            f_fire_hlp "supervisor" $SVISOR_PORT
            SVISOR_INST=1
            f_close_main_section
        fi
    fi
}

# < -----------------------------------------

# < --------------------------------------------------------------------------

# > -----------------------------------------
# Instalar o LBG - LBGenerator!

VAR_LOG_HTTPD=""
if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    VAR_LOG_HTTPD="/var/log/httpd"
elif [[ "$DISTRO_TYPE" == "DEB" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
    VAR_LOG_HTTPD="/var/log/apache2"
fi

ERROR_LOG_FL=""
if [[ "$DISTRO_TYPE" == "RH" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]]; then
    ERROR_LOG_FL="error_log"
elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
    ERROR_LOG_FL="error.log"
fi

LBG_INST=0
HTTPD_CONF_PATH=""
EZ_I_SKIP_ON_V=$FAST_INST
APP_ROOT_F="lbg"
HTTP_SRV_WSGI=""
HTTP_PORT_W=0
HTTP_PORT_A=0
NGINX_CONF_PATH=""
HTTPD_CONF_PATH_MAIN=""
HTTPD_CONF_PATH_E=""
f_open_main_section
f_div_section
f_yes_no "Install the LBG - LBGenerator?"
if [ ${EZ_I_SKIP_ON_V} -eq 1 ] || [ ${YES_NO_R} -eq 1 ] ; then

    # NOTE: As funções abaixo provêm recursos necessários ao 
    # LBG - LBGenerator! By Questor
    f_create_base_dir
    f_inst_py32 1
    f_inst_ve_py32 1
    f_create_ve32 1 "lbg_ve32"
    if [[ "$DISTRO_TYPE" == "DEB" ]] ; then
        NGINX_CONF_PATH="/etc/nginx/sites-available"
        NGINX_CONF_PATH_E="/etc/nginx/sites-enabled"
    else
        NGINX_CONF_PATH="/etc/nginx/conf.d"
    fi
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        HTTPD_CONF_PATH="/etc/httpd/conf.d"
        HTTPD_CONF_PATH_MAIN="/etc/httpd/conf"
    elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
        HTTPD_CONF_PATH="/etc/apache2/sites-available"
        HTTPD_CONF_PATH_E="/etc/apache2/sites-enabled"
        HTTPD_CONF_PATH_MAIN="/etc/apache2"
    elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
        HTTPD_CONF_PATH="/etc/apache2/conf.d"
        HTTPD_CONF_PATH_MAIN="/etc/apache2"
    fi
    OPT_ARR=("u" "NGINX and uWSGI" "p" "NGINX and pserver" "a" "Apache (httpd) and mod_wsgi")
    f_div_section
    f_get_usr_input_mult "Environment with (u) NGINX and uWSGI (highly recommended) or with (p) NGINX and pserver or with (a) Apache (httpd) and mod_wsgi? 
(use \"u\" or empty for NGINX and uWSGI)" OPT_ARR[@] 1
    HTTP_SRV_WSGI="$GET_USR_INPUT_MULT_R"
    if [ -z "$GET_USR_INPUT_MULT_R" ] || [ ${FAST_INST} -eq 1 ] ; then
        HTTP_SRV_WSGI="u"
    fi
    case "$HTTP_SRV_WSGI" in
        u)
            QUESTION_F="Enter the port number for NGINX service. 
Use empty for \"$HTTP_PORT_W\" (recommended)!"
            f_div_section
            f_get_usr_input "$QUESTION_F" 1
            QUESTION_F=""
            if [ -n "$GET_USR_INPUT_R" ] ; then
                HTTP_PORT_W=$GET_USR_INPUT_R
            fi
            f_inst_nginx $HTTP_PORT_W 1
            f_fire_hlp "NGINX" $HTTP_PORT_W
        ;;
        p)
            QUESTION_F="Enter the port number for NGINX service. 
Use empty for \"$HTTP_PORT_W\" (recommended)!"
            f_div_section
            f_get_usr_input "$QUESTION_F" 1
            QUESTION_F=""
            if [ -n "$GET_USR_INPUT_R" ] ; then
                HTTP_PORT_W=$GET_USR_INPUT_R
            fi

            f_inst_nginx $HTTP_PORT_W 1
            f_fire_hlp "NGINX" $HTTP_PORT_W
        ;;
        a)
            QUESTION_F="Enter the port number for Apache (httpd) service. 
Use empty for \"$HTTP_PORT_W\" (recommended)!"
            f_div_section
            f_get_usr_input "$QUESTION_F" 1
            QUESTION_F=""
            if [ -n "$GET_USR_INPUT_R" ] ; then
                HTTP_PORT_W=$GET_USR_INPUT_R
            fi
            f_inst_apache $HTTP_PORT_W 1
            f_inst_mod_wsgi 1

            # NOTE: Este pequeno ajuste é necessário para que o "python3.2" funcione 
            # no "CentOS 7"! By Questor
            if [[ "$DISTRO_TYPE" == "RH" ]] ; then
                f_fl_cont_str " g³" "/etc/mime.types"
                if [ ${FL_CONT_STR_R} -eq 1 ] ; then
                    f_ez_sed " g³" "" "/etc/mime.types"
                fi
            fi
            f_fire_hlp "Apache (httpd)" $HTTP_PORT_W
        ;;
    esac
    f_inst_lib 1
    f_inst_lbg_py_packs 1
    f_chk_by_path_hlp "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator" "d" "\"LBGenerator\" already installed in \"$BASE_INST_DIR_V/lbg_ve32/src\"!"
    F_BAK_MD_R=1
    if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
        f_ez_mv_bak "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator" "Backup old version and update? (\"y\" recommended)"
    fi
    if [ ${F_BAK_MD_R} -eq 1 ] ; then
        cd "$SCRIPTDIR_V"
        tar -zxvf LBGenerator.tar.gz
        mv "$SCRIPTDIR_V/LBGenerator" "$BASE_INST_DIR_V/lbg_ve32/src/"
        cd "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator"
        eval "$BASE_INST_DIR_V/lbg_ve32/bin/python3.2 setup.py install"
        PG_CFG_F="postgresql://$PG_USER_F:$PG_PWD_F@127.0.0.1/$PG_DB_F"
        QUESTION_F="Enter the postgresql LBG - LBGenerator configuration. 
Use empty for \"$PG_CFG_F\"!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            PG_CFG_F=$GET_USR_INPUT_R
        fi
        QUESTION_F="Enter the port number for LBG - LBGenerator service. 
Use empty for \"$HTTP_PORT_A\" (recommended)!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            HTTP_PORT_A=$GET_USR_INPUT_R
        fi
        f_fire_hlp "LBG - LBGenerator" $HTTP_PORT_A
        QUESTION_F="Enter the LBG - LBGenerator base URL. 
Use empty for \"$APP_ROOT_F\" (will result in http://<machine_ip_or_name>:$HTTP_PORT_A/$APP_ROOT_F)!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            APP_ROOT_F=$GET_USR_INPUT_R
        fi
        SQLA_POOL_SIZE=0
        SQLA_POOL_SIZE_MAX_OVERFLOW=0
        f_get_percent_from "$PG_CONNECTIONS" "48"
        SQLA_POOL_SIZE=$F_GET_PERCENT_FROM_R
        SQLA_POOL_SIZE_MAX_OVERFLOW=$SQLA_POOL_SIZE

        # NOTE: Seta uma quantidade de threads adequada para o pool do 
        # sqlalchemy! By Questor
        f_div_section
        f_get_usr_input "Enter the LBG - LBGenerator SQLALCHEMY POOL SIZE (numbers only, integers only).
Use empty for \"$SQLA_POOL_SIZE\" (good for most cases)!
* Use at most 48% of the number of PostgreSQL connections;
* Decrease the value if you have other applications using PostgreSQL;
* Higher values will cause LBG - LBGenerator and PostgreSQL services instability, crash and other unexpected results." 1
        if [ -n "$GET_USR_INPUT_R" ] ; then
            SQLA_POOL_SIZE=$GET_USR_INPUT_R
            SQLA_POOL_SIZE_MAX_OVERFLOW=$SQLA_POOL_SIZE
        fi
        LBI_LBINDEX_URL="http://127.0.0.1:6543/"
        QUESTION_F="Enter the LBI - LBIndex http service URL. 
Use empty for \"$LBI_LBINDEX_URL\"!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            LBI_LBINDEX_URL=$GET_USR_INPUT_R
        fi
        ES_ESDEF_URL="http://127.0.0.1:9200"
        QUESTION_F="Enter the ES - ElasticSearch http service URL (don't use \"/\" at the end). 
Use empty for \"$ES_ESDEF_URL\"!"
        f_div_section
        f_get_usr_input "$QUESTION_F" 1
        QUESTION_F=""
        if [ -n "$GET_USR_INPUT_R" ] ; then
            ES_ESDEF_URL=$GET_USR_INPUT_R
        fi
        if [[ "$HTTP_SRV_WSGI" == "u" ]] ; then
            eval "cp -f \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini.uwsgi-dist\" \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini\""
            f_ez_sed "<SQLA_POOL_SIZE>" "$SQLA_POOL_SIZE" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<SQLA_POOL_SIZE_MAX_OVERFLOW>" "$SQLA_POOL_SIZE" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<LBI_LBINDEX_URL>" "$LBI_LBINDEX_URL" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_ez_sed "<ES_ESDEF_URL>" "$ES_ESDEF_URL" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_ez_sed "<SQLA_URL>" "$PG_CFG_F" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<LBG_VE32_PATH>" "$BASE_INST_DIR_V/lbg_ve32" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<APP_ROOT_F>" "$APP_ROOT_F" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_procs_qtt 4
            f_ez_sed "<UWSGI_PROCESSES>" "$F_PROCS_QTT_R" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            REQ_TIMEOUT=0
            f_srv_memory
            f_bytes_n_units "$F_SRV_MEMORY_R" "KB" "MB"
            F_SRV_MEMORY_R_IN_MB=$F_BYTES_N_UNITS_R
            f_get_percent_from "$F_SRV_MEMORY_R_IN_MB" "44"
            REQ_TIMEOUT=$F_GET_PERCENT_FROM_R
            TOO_LOW_REQ_TIMEOUT=" (good for most cases)!"
            if (( ${REQ_TIMEOUT} < 400 )) ; then
                TOO_LOW_REQ_TIMEOUT=".

* WARNING: THE INSTALLER HAS CALCULATED A TOO LOW TIMEOUT VALUE FOR THIS SERVER. TIMEOUTS BELOW 400 SECONDS ARE CONSIDERED TOO LOW. CONSIDER USING A SERVER WITH MORE RAM!
"
            fi

            # NOTE: Calcula um valor de timeout conforme a quantidade de
            # memória RAM! By Questor
            f_div_section
            f_get_usr_input "Enter the HTTP REQUEST TIMEOUT in seconds (numbers only, integers only).
Use empty for \"$REQ_TIMEOUT\"$TOO_LOW_REQ_TIMEOUT
* Use a numeric value equivalent at most 44% of your server RAM in MB;
* Decrease the value if you have other applications using your server;
* Higher values will cause LBG - LBGenerator and PostgreSQL services instability, crash and other unexpected results." 1
            if [ -n "$GET_USR_INPUT_R" ] ; then
                REQ_TIMEOUT=$GET_USR_INPUT_R
            fi
            f_ez_sed "<REQ_TIMEOUT>" "$REQ_TIMEOUT" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_get_percent_from "$F_SRV_MEMORY_R_IN_MB" "150"
            UWSGI_POST_BUFFERING=$F_GET_PERCENT_FROM_R
            f_ez_sed "<UWSGI_POST_BUFFERING>" "$UWSGI_POST_BUFFERING" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_get_percent_from "$F_SRV_MEMORY_R_IN_MB" "70"
            UWSGI_RELOAD_ON_AS=$F_GET_PERCENT_FROM_R
            f_ez_sed "<UWSGI_RELOAD_ON_AS>" "$UWSGI_RELOAD_ON_AS" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_get_percent_from "$F_SRV_MEMORY_R_IN_MB" "65"
            UWSGI_RELOAD_ON_RSS=$F_GET_PERCENT_FROM_R
            f_ez_sed "<UWSGI_RELOAD_ON_RSS>" "$UWSGI_RELOAD_ON_RSS" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_get_percent_from "$F_SRV_MEMORY_R_IN_MB" "85"
            UWSGI_EVIL_RELOAD_ON_AS=$F_GET_PERCENT_FROM_R
            f_ez_sed "<UWSGI_EVIL_RELOAD_ON_AS>" "$UWSGI_EVIL_RELOAD_ON_AS" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_get_percent_from "$F_SRV_MEMORY_R_IN_MB" "75"
            UWSGI_EVIL_RELOAD_ON_RSS=$F_GET_PERCENT_FROM_R
            f_ez_sed "<UWSGI_EVIL_RELOAD_ON_RSS>" "$UWSGI_EVIL_RELOAD_ON_RSS" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_chk_by_path_hlp "$NGINX_CONF_PATH/lbg.conf" "f" "\"lbg.conf\" already created in \"$NGINX_CONF_PATH/lbg.conf\"!"
            F_BAK_MD_R=1
            if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
                f_ez_mv_bak "$NGINX_CONF_PATH/lbg.conf" "Backup old version and update? (\"y\" recommended)"
            fi
            if [ ${F_BAK_MD_R} -eq 1 ] ; then
                \cp "$SCRIPTDIR_V/other-srcs-n-apps/lbg.conf-ngix-uwsgi-dist" "$NGINX_CONF_PATH/lbg.conf"
                f_ez_sed "<HTTP_PORT_A>" "$HTTP_PORT_A" "$NGINX_CONF_PATH/lbg.conf"
                f_ez_sed "<APP_ROOT_F>" "$APP_ROOT_F" "$NGINX_CONF_PATH/lbg.conf"
                f_ez_sed "<LBG_VE32_PATH>" "$BASE_INST_DIR_V/lbg_ve32" "$NGINX_CONF_PATH/lbg.conf"
                if [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                    ln -s "$NGINX_CONF_PATH/lbg.conf" "$NGINX_CONF_PATH_E/lbg.conf" &>/dev/null
                fi
            fi

            # NOTE: Cria um "virtualenv" exclusivo para o "uWSGI"! By Questor
            f_create_ve32 1 "uwsgi_ve32"

            f_inst_uwsgi 1
            ln -nsf "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" "$BASE_INST_DIR_V/uwsgi_ve32/src/uWSGI/vassals/lbg.ini"
            f_svc_helper "nginx" "restart" 1

            # TODO: Por alguma razão que eu não consegui entender de jeito 
            # nenhum, o sistema só funciona corretamente se o "uwsgi" for 
            # reiniciado duas vêzes! Tá tosco no último =[ ... Mas, não 
            # consegui outra solução. Creio que a solução definitiva para o 
            # problema e ajustar os esquemas de inicialização dos serviços ao 
            # formato "systemctl", mas isso é bastante trabalhoso e vamos 
            # deixar isso para uma outra etapa! By Questor
            f_svc_helper "uwsgi" "restart" 1
            f_svc_helper "uwsgi" "restart" 1

        elif [[ "$HTTP_SRV_WSGI" == "p" ]] ; then

            # TODO: E para pserver para lbg e lba juntos? Como está sendo 
            # tratado? By Questor

            eval "cp -f \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini.pserver-dist\" \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini\""
            f_ez_sed "<SQLA_POOL_SIZE>" "$SQLA_POOL_SIZE" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<SQLA_POOL_SIZE_MAX_OVERFLOW>" "$SQLA_POOL_SIZE" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<LBI_LBINDEX_URL>" "$LBI_LBINDEX_URL" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_ez_sed "<ES_ESDEF_URL>" "$ES_ESDEF_URL" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_ez_sed "<SQLA_URL>" "$PG_CFG_F" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<APP_ROOT_F>" "$APP_ROOT_F" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_chk_by_path_hlp "$NGINX_CONF_PATH/lbg.conf" "f" "\"lbg.conf\" already created in \"$NGINX_CONF_PATH/lbg.conf\"!"
            F_BAK_MD_R=1
            if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
                f_ez_mv_bak "$NGINX_CONF_PATH/lbg.conf" "Backup old version and update? (\"y\" recommended)"
            fi
            if [ ${F_BAK_MD_R} -eq 1 ] ; then
                \cp "$SCRIPTDIR_V/other-srcs-n-apps/lbg.conf-ngix-pserve-dist" "$NGINX_CONF_PATH/lbg.conf"

                # NOTE: Determinar um número adequado de processos! By Questor
                f_procs_qtt 2

                UPSTREAM_LBG=""
                for (( i=0; i < F_PROCS_QTT_R; i++ )) ; do
                    UPSTREAM_LBG=$UPSTREAM_LBG"    server 127.0.0.1:500$i;\n"
                done
                f_ez_sed "<UPSTREAM_LBG>" "$UPSTREAM_LBG" "$NGINX_CONF_PATH/lbg.conf"
                f_ez_sed "<APP_ROOT_F>" "$APP_ROOT_F" "$NGINX_CONF_PATH/lbg.conf"
                f_ez_sed "<HTTP_PORT_A>" "$HTTP_PORT_A" "$NGINX_CONF_PATH/lbg.conf"
                if [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                    ln -s "$NGINX_CONF_PATH/lbg.conf" "$NGINX_CONF_PATH_E/lbg.conf" &>/dev/null
                fi
            fi
            f_svc_helper "nginx" "restart" 1
            f_inst_supervisor 1
        elif [[ "$HTTP_SRV_WSGI" == "a" ]] ; then
            eval "cp -f \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/lbgenerator.wsgi-dist\" \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/lbgenerator.wsgi\""
            f_ez_sed "<LBG_VE32_PATH>" "$BASE_INST_DIR_V/lbg_ve32" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/lbgenerator.wsgi"
            eval "cp -f \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini.apache-dist\" \"$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini\""
            f_ez_sed "<SQLA_POOL_SIZE>" "$SQLA_POOL_SIZE" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<SQLA_POOL_SIZE_MAX_OVERFLOW>" "$SQLA_POOL_SIZE" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_ez_sed "<LBI_LBINDEX_URL>" "$LBI_LBINDEX_URL" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_ez_sed "<ES_ESDEF_URL>" "$ES_ESDEF_URL" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini"
            f_ez_sed "<SQLA_URL>" "$PG_CFG_F" "$BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini" 1
            f_chk_by_path_hlp "$HTTPD_CONF_PATH/lbg.conf" "f" "\"lbg.conf\" already created in \"$HTTPD_CONF_PATH/lbg.conf\"!"
            F_BAK_MD_R=1
            if [ ${F_CHK_BY_PATH_HLP_R} -eq 1 ] ; then
                f_ez_mv_bak "$HTTPD_CONF_PATH/lbg.conf" "Backup old version and update? (\"y\" recommended)"
            fi
            if [ ${F_BAK_MD_R} -eq 1 ] ; then
                eval "cp -f \"$SCRIPTDIR_V/other-srcs-n-apps/lbg.conf-apache-mod_wsgi-dist\" \"$HTTPD_CONF_PATH/lbg.conf\""
                f_ez_sed "<HTTP_PORT_A>" "$HTTP_PORT_A" "$HTTPD_CONF_PATH/lbg.conf"
                f_ez_sed "<MOD_WSGI_PATH>" "$MOD_WSGI_PATH" "$HTTPD_CONF_PATH/lbg.conf"
                f_ez_sed "<LBG_VE32_PATH>" "$BASE_INST_DIR_V/lbg_ve32" "$HTTPD_CONF_PATH/lbg.conf" 1
                f_ez_sed "<APP_ROOT_F>" "$APP_ROOT_F" "$HTTPD_CONF_PATH/lbg.conf" 1
                f_ez_sed "<VAR_LOG_HTTPD>" "$VAR_LOG_HTTPD" "$HTTPD_CONF_PATH/lbg.conf" 1
                f_ez_sed "<HTTPD_USR>" "$HTTPD_USR" "$HTTPD_CONF_PATH/lbg.conf" 1
                f_ez_sed "<HTTPD_GRP>" "$HTTPD_GRP" "$HTTPD_CONF_PATH/lbg.conf" 1
                if [[ "$DISTRO_TYPE" == "RH" ]] ; then
                    # f_ez_sed "<DIR_RULES>" "Order allow,deny\n    Allow from all" "$HTTPD_CONF_PATH/lbg.conf"
                    f_ez_sed "<DIR_RULES>" "AllowOverride None\n    Require all granted" "$HTTPD_CONF_PATH/lbg.conf"
                elif [[ "$DISTRO_TYPE" == "DEB" ]] || [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
                    f_ez_sed "<DIR_RULES>" "AllowOverride None\n    Require all granted" "$HTTPD_CONF_PATH/lbg.conf"
                fi
            fi
            if [[ "$DISTRO_TYPE" == "DEB" ]] ; then
                ln -s "$HTTPD_CONF_PATH/lbg.conf" "$HTTPD_CONF_PATH_E/lbg.conf" &>/dev/null
            fi
            eval "chown -R $HTTPD_USR $BASE_INST_DIR_V"
            eval "chown -R :$HTTPD_GRP $BASE_INST_DIR_V"
            eval "chmod -R 755 $BASE_INST_DIR_V"
            f_svc_helper "$HTTPD_SERV_NAME" "restart" 1
        fi

    fi
    LBG_INST=1
fi
f_close_main_section

# < -----------------------------------------

# < --------------------------------------------------------------------------

# < --------------------------------------------------------------------------

# > --------------------------------------------------------------------------
# FINAL!
# --------------------------------------

EZ_I_SKIP_ON_V=0
read -d '' TITLE_F <<"EOF"
Installer finished! Thanks!
EOF

# NOTE: A lógica imediatamente abaixo serve para o usuário seja 
# informado sobre quais foram as configurações de persistência setadas! 
# By Questor
PERSIST_CONFIG=""
if [ ${CONF_PG} -eq 1 ] || [ ${CREATE_LB_DT} -eq 1 ] ; then

    CREATE_LB_DT_VL=""
    if [ ${CREATE_LB_DT} -eq 1 ] ; then
        CREATE_LB_DT_VL="
        database .. $PG_DB_F"
    fi

    CONF_PG_VL=""
    if [ ${CONF_PG} -eq 1 ] ; then
        CONF_PG_VL="
        user ...... $PG_USER_F
        password .. $PG_PWD_F"
    fi

    if [ -n "$CONF_PG_VL$CREATE_LB_DT_VL" ] ; then
        PERSIST_CONFIG="    LBG - LBGenerator $PG_NAME persistence config...$CREATE_LB_DT_VL$CONF_PG_VL"
    fi
fi

PG_SVC_INFO=""
if [ ${PG_INST} -eq 1 ] ; then
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        PG_SVC_INFO="    $PG_NAME

        To start/stop...
            systemctl start $PG_SERV_NAME.service
            systemctl stop $PG_SERV_NAME.service"
    else
        PG_SVC_INFO="    $PG_NAME

        To start/stop...
            service $PG_SERV_NAME start
            service $PG_SERV_NAME stop"
    fi
fi

ES_SVC_INFO=""
if [ ${ES_INST} -eq 1 ] ; then
    ES_SVC_INFO="    $ES_NAME

        To start/stop...
            $ES_SERV_CMD start
            $ES_SERV_CMD stop"
fi

UWSGI_SVC_INFO=""
if [ ${UWSGI_INST} -eq 1 ] ; then
    UWSGI_SVC_SYNTAX=""
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        UWSGI_SVC_SYNTAX="systemctl start uwsgi.service
            systemctl stop uwsgi.service"
    else
        UWSGI_SVC_SYNTAX="service uwsgi start
            service uwsgi stop"
    fi
    UWSGI_SVC_INFO="    uWSGI

        To start/stop...
            $UWSGI_SVC_SYNTAX

        To configure uWSGI...
            vi $BASE_INST_DIR_V/uwsgi_ve32/src/uWSGI/production.ini

        Log...
            less /var/log/uwsgi.log"
fi

SVISOR_SVC_INFO=""
if [ ${SVISOR_INST} -eq 1 ] ; then
    SVISOR_SVC_SYNTAX=""
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        SVISOR_SVC_SYNTAX="systemctl start supervisord.service
            systemctl stop supervisord.service"
    else
        SVISOR_SVC_SYNTAX="service supervisord start
            service supervisord stop"
    fi
    SVISOR_SVC_INFO="    Supervisor

        To start/stop...
            $SVISOR_SVC_SYNTAX

        To access...
            http://<machine_ip_or_name>:$SVISOR_PORT
            user ...... $SVISOR_USER
            password .. $SVISOR_PWD

        To configure Supervisor...
            vi $BASE_INST_DIR_V/$VE_2_X/src/supervisor/supervisord.conf

            NOTE: The LBG - LBGenerator is set to use a maximum of $PROC_MAX_MEM_PERC% of 
                  server memory. For more details see section 
                  \"[eventlistener:memmon]\" in supervisord.conf!

        python$PYTHON_2_X virtual environment path...
            $BASE_INST_DIR_V/$VE_2_X"
fi

APACHE_SVC_INFO=""
APACHE_SVC_INFO_DISTRO=""
if [[ "$DISTRO_TYPE" == "RH" ]] ; then
    APACHE_SVC_INFO_DISTRO="vi $HTTPD_CONF_PATH_MAIN/httpd.conf"
elif [[ "$DISTRO_TYPE" == "DEB" ]] ; then
    APACHE_SVC_INFO_DISTRO="vi $HTTPD_CONF_PATH_MAIN/ports.conf
            vi $HTTPD_CONF_PATH/000-default.conf"
elif [[ "$DISTRO_TYPE" == "SUSE" ]] ; then
    APACHE_SVC_INFO_DISTRO="vi $HTTPD_CONF_PATH_MAIN/listen.conf"
fi
if [ ${APACHE_INST} -eq 1 ] ; then
    APACHE_SVC_SYNTAX=""
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        APACHE_SVC_SYNTAX="systemctl start $HTTPD_SERV_NAME.service
            systemctl stop $HTTPD_SERV_NAME.service"
    else
        APACHE_SVC_SYNTAX="service $HTTPD_SERV_NAME start
            service $HTTPD_SERV_NAME stop"
    fi
    APACHE_SVC_INFO="    Apache ($HTTPD_SERV_NAME)

        To start/stop...
            $APACHE_SVC_SYNTAX

        To configure Apache ($HTTPD_SERV_NAME)...
            $APACHE_SVC_INFO_DISTRO

        To configure LBG on Apache ($HTTPD_SERV_NAME)...
            vi $HTTPD_CONF_PATH/lbg.conf

        Log...
            less $VAR_LOG_HTTPD/$ERROR_LOG_FL"
fi

NGINX_SVC_INFO=""
if [ ${NGINX_INST} -eq 1 ] ; then
    NGINX_SVC_SYNTAX=""
    if [[ "$DISTRO_TYPE" == "RH" ]] ; then
        NGINX_SVC_SYNTAX="systemctl start nginx.service
            systemctl stop nginx.service"
    else
        NGINX_SVC_SYNTAX="service nginx start
            service nginx stop"
    fi
    NGINX_SVC_INFO="    NGINX

        To start/stop...
            $NGINX_SVC_SYNTAX

        To configure NGINX...
            vi /etc/nginx/nginx.conf

        To configure LBG on NGINX...
            vi $NGINX_CONF_PATH/lbg.conf

        Log...
            less /var/log/nginx/error.log"
fi

LBG_SVC_INFO=""
if [ ${LBG_INST} -eq 1 ] ; then
    HTTP_URL_PORT=""
    if (( $HTTP_PORT_A != 80 )); then
        HTTP_URL_PORT=":$HTTP_PORT_A"
    fi
    LBG_LOG=""
    if [ ${APACHE_INST} -eq 1 ] ; then
        LBG_LOG="

        Log...
            less /var/log/httpd/lbg-error.log"
    elif [ ${NGINX_INST} -eq 1 ] ; then
        LBG_LOG="

        Log...
            less /var/log/lbg.log"
    fi
    LBG_SVC_INFO="    LBG

        To access...
            http://<machine_ip_or_name>$HTTP_URL_PORT/$APP_ROOT_F

        To configure LBG...
            vi $BASE_INST_DIR_V/lbg_ve32/src/LBGenerator/production.ini$LBG_LOG

        python3.2 path...
            $BASE_INST_DIR_V/py32

        python3.2 virtual environment path...
            $BASE_INST_DIR_V/lbg_ve32"
fi

if [ -n "$PG_SVC_INFO$ES_SVC_INFO$SVISOR_SVC_INFO$APACHE_SVC_INFO$NGINX_SVC_INFO$LBG_SVC_INFO" ] ; then

    # NOTE: First item! By Questor
    USEFUL_INFO_F="$PG_SVC_INFO"

    # TODO: Inserir a flag "-e" em todos "echos" de funcionalidades que 
    # "printam" mensagens para o usuário no "ez_i.bash"? By Questor

    # NOTE: There is no way to represent a literal (\n in case) for "echo"
    # without using the "-e" flag! By Questor
    USEFUL_INFO_NEW_LINES="

"

    if [ -n "$USEFUL_INFO_F" ] && [ -n "$PERSIST_CONFIG" ] ; then
        USEFUL_INFO_F="$USEFUL_INFO_F$USEFUL_INFO_NEW_LINES"
    fi
    USEFUL_INFO_F="$USEFUL_INFO_F$PERSIST_CONFIG"
    if [ -n "$USEFUL_INFO_F" ] && [ -n "$ES_SVC_INFO" ] ; then
        USEFUL_INFO_F="$USEFUL_INFO_F$USEFUL_INFO_NEW_LINES"
    fi
    USEFUL_INFO_F="$USEFUL_INFO_F$ES_SVC_INFO"
    if [ -n "$USEFUL_INFO_F" ] && [ -n "$SVISOR_SVC_INFO" ] ; then
        USEFUL_INFO_F="$USEFUL_INFO_F$USEFUL_INFO_NEW_LINES"
    fi
    USEFUL_INFO_F="$USEFUL_INFO_F$SVISOR_SVC_INFO"
    if [ -n "$USEFUL_INFO_F" ] && [ -n "$UWSGI_SVC_INFO" ] ; then
        USEFUL_INFO_F="$USEFUL_INFO_F$USEFUL_INFO_NEW_LINES"
    fi
    USEFUL_INFO_F="$USEFUL_INFO_F$UWSGI_SVC_INFO"
    if [ -n "$USEFUL_INFO_F" ] && [ -n "$APACHE_SVC_INFO" ] ; then
        USEFUL_INFO_F="$USEFUL_INFO_F$USEFUL_INFO_NEW_LINES"
    fi
    USEFUL_INFO_F="$USEFUL_INFO_F$APACHE_SVC_INFO"
    if [ -n "$USEFUL_INFO_F" ] && [ -n "$NGINX_SVC_INFO" ] ; then
        USEFUL_INFO_F="$USEFUL_INFO_F$USEFUL_INFO_NEW_LINES"
    fi
    USEFUL_INFO_F="$USEFUL_INFO_F$NGINX_SVC_INFO"
    if [ -n "$USEFUL_INFO_F" ] && [ -n "$LBG_SVC_INFO" ] ; then
        USEFUL_INFO_F="$USEFUL_INFO_F$USEFUL_INFO_NEW_LINES"
    fi
    USEFUL_INFO_F="$USEFUL_INFO_F$LBG_SVC_INFO"
else
    USEFUL_INFO_F="    Nothing was installed!"
fi

f_end "$TITLE_F" "$USEFUL_INFO_F"
TITLE_F=""
USEFUL_INFO_F=""

# < --------------------------------------------------------------------------