kimitsu@kimitsu-PC:~$ sudo apt-get update
[sudo] password di kimitsu: 
Trovato:1 http://ppa.launchpad.net/indicator-brightness/ppa/ubuntu xenial InRelease
Trovato:2 http://ppa.launchpad.net/linrunner/tlp/ubuntu xenial InRelease                                                                               
Trovato:3 http://it.archive.ubuntu.com/ubuntu xenial InRelease                                                                                         
Trovato:4 http://it.archive.ubuntu.com/ubuntu xenial-updates InRelease         
Trovato:5 http://it.archive.ubuntu.com/ubuntu xenial-backports InRelease       
Scaricamento di:6 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]
Scaricamento di:7 http://security.ubuntu.com/ubuntu xenial-security/main amd64 DEP-11 Metadata [68,0 kB]
Scaricamento di:8 http://security.ubuntu.com/ubuntu xenial-security/main DEP-11 64x64 Icons [43,1 kB]
Scaricamento di:9 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 DEP-11 Metadata [19,5 kB]
Scaricamento di:10 http://security.ubuntu.com/ubuntu xenial-security/universe DEP-11 64x64 Icons [25,6 kB]
Scaricamento di:11 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 DEP-11 Metadata [212 B]
Recuperati 259 kB in 2s (112 kB/s)  
AppStream cache update completed, but some metadata was ignored due to errors.
Lettura elenco dei pacchetti... Fatto