Não consigo instalar as dependencias do pear, de forma alguma, uso o ubuntu 14.04LTS e a seguinte mensagem de erro me é apresentada:

"sudo pear upgrade pear
WARNING: "pear/Console_Getopt" is deprecated in favor of "pear/Console_GetoptPlus"
downloading PEAR-1.9.5.tgz ...
Starting to download PEAR-1.9.5.tgz (290,006 bytes)
............................................................done: 290,006 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/PEAR-1.9.5.tgz"
Download of "pear/pear" succeeded, but it is not a valid package archive
Error: cannot download "pear/PEAR"
downloading Archive_Tar-1.3.13.tgz ...
Starting to download Archive_Tar-1.3.13.tgz (19,891 bytes)
...done: 19,891 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/Archive_Tar-1.3.13.tgz"
Download of "pear/Archive_Tar" succeeded, but it is not a valid package archive
Error: cannot download "pear/Archive_Tar"
downloading XML_Util-1.2.3.tgz ...
Starting to download XML_Util-1.2.3.tgz (17,134 bytes)
...done: 17,134 bytes
could not extract the package.xml file from "/build/buildd/php5-5.5.9+dfsg/pear-build-download/XML_Util-1.2.3.tgz"
Download of "pear/XML_Util" succeeded, but it is not a valid package archive
Error: cannot download "pear/XML_Util"
Download failed
upgrade failed"

O que posso fazer para corrigir isso?
 

Autor: Jadson Grangeiro de Oliveira