Atenção usuários de email com anti-spam (Uol e Bol).
Qualquer umq ue tento instalar ele dá "impossível encontrar o pacote..."Ign http://br.archive.ubuntu.com utopic InReleaseIgn http://br.archive.ubuntu.com utopic-updates InRelease [...]
sudo sed -e "s/\/br.archive.\|\/security./\/old-releases./g" /etc/apt/sources.list
sudo sed -i "s/\/br.archive.\|\/security./\/old-releases./g" /etc/apt/sources.list
sudo apt-get update
sudo apt-get install ubuntu-restricted-extras