Atenção usuários de email com anti-spam (Uol e Bol).
sudo apt-get update
sudo apt-get upgrade
sudo dpkg --configure -asudo apt-get install -fsudo apt-get updatesudo apt-get upgrade
sudo gedit /etc/apt/sources.list
sudo rm /var/lib/apt/lists/* -vf
sudo rm /var/lib/apt/lists* ; sudo rm /var/lib/apt/lists/partial* ; sudo apt-get -f install ; sudo apt-get clean ; sudo apt-get update