Oui, mais j'attends un peu avant de passer à la 18.04
xxxxx@xxxxx-System-Product-Name:~$ cat /etc/apt/sources.list
# deb cdrom:[Ubuntu-MATE 16.04.3 LTS _Xenial Xerus_ - Release i386 (20170801)]/ xenial main multiverse restricted universe
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://fr.archive.ubuntu.com/ubuntu/ xenial main restricted
# deb-src http://fr.archive.ubuntu.com/ubuntu/ xenial main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb http://fr.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
# deb-src http://fr.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
## 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://fr.archive.ubuntu.com/ubuntu/ xenial universe
# deb-src http://fr.archive.ubuntu.com/ubuntu/ xenial universe
deb http://fr.archive.ubuntu.com/ubuntu/ xenial-updates universe
# deb-src http://fr.archive.ubuntu.com/ubuntu/ xenial-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://fr.archive.ubuntu.com/ubuntu/ xenial multiverse
# deb-src http://fr.archive.ubuntu.com/ubuntu/ xenial multiverse
deb http://fr.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
# deb-src http://fr.archive.ubuntu.com/ubuntu/ xenial-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://fr.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
# deb-src http://fr.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe 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 xenial partner
# deb-src http://archive.canonical.com/ubuntu xenial partner
deb http://security.ubuntu.com/ubuntu xenial-security main restricted
# deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
deb http://security.ubuntu.com/ubuntu xenial-security universe
# deb-src http://security.ubuntu.com/ubuntu xenial-security universe
deb http://security.ubuntu.com/ubuntu xenial-security multiverse
# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
xxxxx@xxxxx-System-Product-Name:~$ ls /etc/apt/sources.list.d -1
cairo-dock-team-ubuntu-ppa-xenial.list
cairo-dock-team-ubuntu-ppa-xenial.list.save
etcher.list
jd-team-ubuntu-jdownloader-xenial.list
jd-team-ubuntu-jdownloader-xenial.list.save
noobslab-ubuntu-apps-xenial.list
webupd8team-ubuntu-java-xenial.list
webupd8team-ubuntu-java-xenial.list.save
xxxxx@xxxxx-System-Product-Name:~$ ls -l /usr/share/xsessions
total 8
-rw-r--r-- 1 root root 6915 nov. 9 17:11 mate.desktop
Merci.