voici le résultat
aveline@aveline-Aspire-7715Z:~$ sudo lsb_release -a
[sudo] Mot de passe de aveline :
Désolé, essayez de nouveau.
[sudo] Mot de passe de aveline :
LSB Version: core-9.20170808ubuntu1-noarch:printing-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic
aveline@aveline-Aspire-7715Z:~$ thunderbird -v
Thunderbird 60.6.1
aveline@aveline-Aspire-7715Z:~$ find /etc/apt -type f -name '*.list' -exec bash -c 'echo -e "\n$1"; cat -n "$1"' - '{}' \;
/etc/apt/sources.list
1 # deb cdrom:[Ubuntu 16.04.1 LTS _Xenial Xerus_ - Release amd64 (20160719)]/ xenial main restricted
2
3 # See
http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
4 # newer versions of the distribution.
5 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic main restricted
6 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ xenial main restricted
7
8 ## Major bug fix updates produced after the final release of the
9 ## distribution.
10 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
11 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
12
13 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
14 ## team, and may not be under a free licence. Please satisfy yourself as to
15 ## your rights to use the software. Also, please note that software in
16 ## universe WILL NOT receive any review or updates from the Ubuntu security
17 ## team.
18 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic universe
19 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ xenial universe
20 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates universe
21 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ xenial-updates universe
22
23 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
24 ## team, and may not be under a free licence. Please satisfy yourself as to
25 ## your rights to use the software. Also, please note that software in
26 ## multiverse WILL NOT receive any review or updates from the Ubuntu
27 ## security team.
28 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic multiverse
29 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ xenial multiverse
30 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
31 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
32
33 ## N.B. software from this repository may not have been tested as
34 ## extensively as that contained in the main release, although it includes
35 ## newer versions of some applications which may provide useful features.
36 ## Also, please note that software in backports WILL NOT receive any review
37 ## or updates from the Ubuntu security team.
38 deb
http://fr.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
39 # deb-src
http://fr.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
40
41 ## Uncomment the following two lines to add software from Canonical's
42 ## 'partner' repository.
43 ## This software is not part of Ubuntu, but is offered by Canonical and the
44 ## respective vendors as a service to Ubuntu users.
45 # deb
http://archive.canonical.com/ubuntu xenial partner
46 # deb-src
http://archive.canonical.com/ubuntu xenial partner
47
48 deb
http://security.ubuntu.com/ubuntu bionic-security main restricted
49 # deb-src
http://security.ubuntu.com/ubuntu xenial-security main restricted
50 deb
http://security.ubuntu.com/ubuntu bionic-security universe
51 # deb-src
http://security.ubuntu.com/ubuntu xenial-security universe
52 deb
http://security.ubuntu.com/ubuntu bionic-security multiverse
53 # deb
http://download.ebz.epson.net/dsc/op/stable/debian/ lsb3.2 main # désactivé pour la mise à niveau vers bionic
54 # deb-src
http://security.ubuntu.com/ubuntu xenial-security multiverse
/etc/apt/sources.list.d/google-chrome.list
1 ### THIS FILE IS AUTOMATICALLY CONFIGURED ###
2 # You may comment out this entry, but any other modifications may be lost.
3 # deb [arch=amd64]
http://dl.google.com/linux/chrome/deb/ stable main # désactivé pour la mise à niveau vers bionic
/etc/apt/sources.list.d/xenial-partner.list
1 # channel for the xenial (16.04) partner channel
2 #
3 #:description:This channel contains the partner software for xenial
4 deb
http://archive.canonical.com/ubuntu bionic partner
/etc/apt/sources.list.d/skype-stable.list
1 # deb [arch=amd64]
https://repo.skype.com/deb stable main # désactivé pour la mise à niveau vers bionic
/etc/apt/sources.list.d/teamviewer.list
1 ### TeamViewer DEB repository list
2
3 ### NOTE: Manual changes to this file
4 ### - prevent it from being updated by TeamViewer package updates
5 ### - will be lost after using the 'teamviewer repo' command
6 ### The original file can be restored with this command:
7 ### cp /opt/teamviewer/tv_bin/script/teamviewer.list /etc/apt/sources.list.d/teamviewer.list
8 ### which has the same effect as 'teamviewer repo default'
9
10 ### NOTE: It is preferred to use the following commands to edit this file:
11 ### teamviewer repo - show current repository configuration
12 ### teamviewer repo default - restore default configuration
13 ### teamviewer repo disable - disable the repository
14 ### teamviewer repo main [stable] - make all TeamViewer packages available (default)
15 ### teamviewer repo tv14 [stable] - make TeamViewer 14 packages available
16 ### stable omit preview and beta releases
17
18
19 ### Choose stable main to receive updates for TeamViewer 14 and upcoming major releases
20 ### Choose preview main to receive early updates for TeamViewer 14 and to receive major beta releases
21
22 ### Choose stable tv14 to receive updates for TeamViewer 14
23 ### Choose preview tv14 to receive early updates for TeamViewer 14
24
25 deb
http://linux.teamviewer.com/deb stable main
26 # deb
http://linux.teamviewer.com/deb preview main
27
28 # deb
http://linux.teamviewer.com/deb stable tv14
29 # deb
http://linux.teamviewer.com/deb preview tv14
aveline@aveline-Aspire-7715Z:~$
