ein@ein-desktop:~$ sudo apt-get update
[sudo] password di ein: 
Trovato:1 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu xenial InRelease   
Trovato:2 http://ubuntu.mirror.garr.it/mirrors/ubuntu-archive xenial InRelease
Trovato:3 http://archive.canonical.com/ubuntu xenial InRelease                 
Trovato:4 https://repo.skype.com/deb stable InRelease                         
Trovato:5 http://ubuntu.mirror.garr.it/mirrors/ubuntu-archive xenial-updates InRelease
Trovato:6 http://ubuntu.mirror.garr.it/mirrors/ubuntu-archive xenial-security InRelease
Trovato:7 http://ubuntu.mirror.garr.it/mirrors/ubuntu-archive xenial-backports InRelease
Lettura elenco dei pacchetti... Fatto
ein@ein-desktop:~$