Désolé, j'ai fait ça hier soir et je n'ai pas pris le temps.
alex@Thinkpad-Alex:~$ dpkg -l | grep suld
ii suldr-keyring 2 all Samsung Unified Linux Driver Repository Keyring
alex@Thinkpad-Alex:~$
alex@Thinkpad-Alex:~$ find /etc/apt -name '*.list' -exec bash -c 'echo -e "\n$1\n"; nl -ba "$1"' _ '{}' \;
/etc/apt/sources.list
1 # deb cdrom:[Ubuntu 18.04.3 LTS _Bionic Beaver_ - Release amd64 (20190805)]/ bionic 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/ focal main restricted
6 # deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic 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/ focal-updates main restricted
11 # deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
12
13 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
14 ## team. Also, please note that software in universe WILL NOT receive any
15 ## review or updates from the Ubuntu security team.
16 deb http://fr.archive.ubuntu.com/ubuntu/ focal universe
17 # deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic universe
18 deb http://fr.archive.ubuntu.com/ubuntu/ focal-updates universe
19 # deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic-updates universe
20
21 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
22 ## team, and may not be under a free licence. Please satisfy yourself as to
23 ## your rights to use the software. Also, please note that software in
24 ## multiverse WILL NOT receive any review or updates from the Ubuntu
25 ## security team.
26 deb http://fr.archive.ubuntu.com/ubuntu/ focal multiverse
27 # deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic multiverse
28 deb http://fr.archive.ubuntu.com/ubuntu/ focal-updates multiverse
29 # deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
30
31 ## N.B. software from this repository may not have been tested as
32 ## extensively as that contained in the main release, although it includes
33 ## newer versions of some applications which may provide useful features.
34 ## Also, please note that software in backports WILL NOT receive any review
35 ## or updates from the Ubuntu security team.
36 deb http://fr.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
37 # deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
38
39 ## Uncomment the following two lines to add software from Canonical's
40 ## 'partner' repository.
41 ## This software is not part of Ubuntu, but is offered by Canonical and the
42 ## respective vendors as a service to Ubuntu users.
43 deb http://archive.canonical.com/ubuntu focal partner
44 deb-src http://archive.canonical.com/ubuntu focal partner
45
46 deb http://security.ubuntu.com/ubuntu focal-security main restricted
47 # deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
48 deb http://security.ubuntu.com/ubuntu focal-security universe
49 # deb-src http://security.ubuntu.com/ubuntu bionic-security universe
50 deb http://security.ubuntu.com/ubuntu focal-security multiverse
51 # deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
52
53 #Imprimante Samsung
54 deb https://www.bchemnet.com/suldr/ debian extra
/etc/apt/sources.list.d/hizo-ubuntu-zenitor-bionic.list
1 # deb http://ppa.launchpad.net/hizo/zenitor/ubuntu focal main # désactivé pour la mise à niveau vers focal
2 # deb-src http://ppa.launchpad.net/hizo/zenitor/ubuntu bionic main
/etc/apt/sources.list.d/yannubuntu-ubuntu-boot-repair-focal.list
1 deb http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu focal main
2 # deb-src http://ppa.launchpad.net/yannubuntu/boot-repair/ubuntu focal main
/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
/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 stable - make all regular TeamViewer packages available (default)
15 ### teamviewer repo preview - additionally, make feature preview packages available
16 ### teamviewer repo development - additionally, make the latest development packages available
17
18
19 # deb http://linux.teamviewer.com/deb stable main # désactivé pour la mise à niveau vers focal
20
21 # deb http://linux.teamviewer.com/deb preview main
22 # deb http://linux.teamviewer.com/deb development main
/etc/apt/sources.list.d/wireguard-ubuntu-wireguard-bionic.list
1 # deb http://ppa.launchpad.net/wireguard/wireguard/ubuntu focal main # désactivé pour la mise à niveau vers focal
2 # deb-src http://ppa.launchpad.net/wireguard/wireguard/ubuntu bionic main
/etc/apt/sources.list.d/ubuntudde-dev-ubuntu-stable-focal.list
1 deb http://ppa.launchpad.net/ubuntudde-dev/stable/ubuntu focal main
2 # deb-src http://ppa.launchpad.net/ubuntudde-dev/stable/ubuntu focal main
/etc/apt/sources.list.d/cteehayder-ubuntu-ffmulticonverter-focal.list
1 deb http://ppa.launchpad.net/cteehayder/ffmulticonverter/ubuntu focal main
2 # deb-src http://ppa.launchpad.net/cteehayder/ffmulticonverter/ubuntu focal main
/etc/apt/sources.list.d/daniel_pavel-ubuntu-solaar-bionic.list
1 # deb http://ppa.launchpad.net/daniel.pavel/solaar/ubuntu focal main # désactivé pour la mise à niveau vers focal
2 # deb-src http://ppa.launchpad.net/daniel.pavel/solaar/ubuntu bionic main
/etc/apt/sources.list.d/samsung.list
1 deb https://www.bchemnet.com/suldr/ debian extra
alex@Thinkpad-Alex:~$
Merci de ton aide.