scastagnola@adiscipitur:~$ su
Password: 
su: Autenticazione non riuscita
scastagnola@adiscipitur:~$ su stefano
Password: 
stefano@adiscipitur:/home/scastagnola$ cat/etc/apt/sources.list && ls /etc/apt/sources.list.d/
bash: cat/etc/apt/sources.list: File o directory non esistente
stefano@adiscipitur:/home/scastagnola$ ^C
stefano@adiscipitur:/home/scastagnola$ cat/etc/apt/sources.list && ls /etc/apt/sources.list.d/
bash: cat/etc/apt/sources.list: File o directory non esistente
stefano@adiscipitur:/home/scastagnola$ cat /etc/apt/sources.list && ls /etc/aptstefano@adiscipitur:~$ cat /etc/apt/sources.list && ls /etc/apt/sources.list.d/ 
# deb cdrom:[Ubuntu 14.04.2 LTS _Trusty Tahr_ - Release amd64 (20150218.1)]/ trusty main restricted
deb-src http://archive.ubuntu.com/ubuntu trusty main restricted #Added by software-properties

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://it.archive.ubuntu.com/ubuntu/ trusty main restricted
deb-src http://it.archive.ubuntu.com/ubuntu/ trusty main restricted multiverse universe #Added by software-properties

## Major bug fix updates produced after the final release of the
## distribution.
deb http://it.archive.ubuntu.com/ubuntu/ trusty-updates main restricted
deb-src http://it.archive.ubuntu.com/ubuntu/ trusty-updates main restricted multiverse universe #Added by software-properties

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://it.archive.ubuntu.com/ubuntu/ trusty universe
deb http://it.archive.ubuntu.com/ubuntu/ trusty-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://it.archive.ubuntu.com/ubuntu/ trusty multiverse
deb http://it.archive.ubuntu.com/ubuntu/ trusty-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://it.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://it.archive.ubuntu.com/ubuntu/ trusty-backports main restricted universe multiverse #Added by software-properties

deb http://security.ubuntu.com/ubuntu trusty-security main restricted
deb-src http://security.ubuntu.com/ubuntu trusty-security main restricted multiverse universe #Added by software-properties
deb http://security.ubuntu.com/ubuntu trusty-security universe
deb http://security.ubuntu.com/ubuntu trusty-security multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu trusty partner
deb-src http://archive.canonical.com/ubuntu trusty partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu trusty main
deb http://www.openprinting.org/download/printdriver/debian/ lsb3.2 contrib
deb http://it.archive.ubuntu.com/ubuntu/ trusty-proposed universe multiverse main restricted
deb-src http://it.archive.ubuntu.com/ubuntu/ trusty-proposed universe multiverse main restricted #Added by software-properties
deb-src http://extras.ubuntu.com/ubuntu trusty main
getdeb.list  getdeb.list.bck
stefano@adiscipitur:~$ ^C
stefano@adiscipitur:~$