GNU nano 2.5.3                    File: /etc/apt/sources.list                                                

# deb cdrom:[Lubuntu 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160720)]/ xenial main multiverse restricted$

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://it.archive.ubuntu.com/ubuntu/ xenial main restricted
# deb-src http://it.archive.ubuntu.com/ubuntu/ xenial main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://it.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
# deb-src http://it.archive.ubuntu.com/ubuntu/ xenial-updates main restricted

## 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
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb http://it.archive.ubuntu.com/ubuntu/ xenial universe
# deb-src http://it.archive.ubuntu.com/ubuntu/ xenial universe