No puedo instalar unzip, python zip, exiftool

[zstreet]

PHP Version: 5.3.2-1ubuntu4.9
Curl extension: Installed
GD extension: Installed
Mbstring extension: Installed
Mcrypt extension: Installed
Mysql extension: Installed
Mysqli extension: Installed
SQLite extension: Installed
PDO extension: Installed
PDO MySQL Driver: Installed
PDO SQLite Driver: Installed
JSON support: Installed
shm memory support: Installed
Python: Not installed
>= 2.5.0 required
Python uno: Installed
php.ini display_errors: disabled
php.ini memory_limit: 128M (Recommended at least 128Mb)
php.ini allow_url_fopen: Enabled
php.ini safe_mode: Disabled
php.ini short_open_tag: Enabled
php.ini file_uploads: Enabled
exiftool: Not Instaled (Needed to extract MP3 metadata)
zip: Not Instaled (Needed for office support)
unzip: Not Instaled (Needed for office support)
OpenOffice Daemon: Running

he aqui el problema me faltan esas 4 cosas que no hay caso de poder agregarlas, las he instalado como 10 veces pero aun asi me sale ese mensaje :S

[kilburn]

Suena a que lo que sea que estes metiendo trata de ejecutar cosas externas desde php. Por tanto, deberías darle permiso para hacerlo (quita las funciones de ejecución externa del disable_functions del php.ini del dominio).