Juste ici :
arthur@ArthurPC:~$ cat /etc/apt/sources.list
# deb cdrom:[Ubuntu 18.04.2 LTS _Bionic Beaver_ - Release amd64 (20190210)]/ bionic main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://archive.ubuntu.com/ubuntu focal main restricted
deb-src http://archive.ubuntu.com/ubuntu focal restricted universe main multiverse #Added by software-properties
## Major bug fix updates produced after the final release of the
## distribution.
deb http://archive.ubuntu.com/ubuntu focal-updates main restricted
deb-src http://archive.ubuntu.com/ubuntu focal-updates restricted main 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://archive.ubuntu.com/ubuntu focal universe
# deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic universe
deb http://archive.ubuntu.com/ubuntu focal-updates universe
# deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic-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://archive.ubuntu.com/ubuntu focal multiverse
# deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic multiverse
deb http://archive.ubuntu.com/ubuntu focal-updates multiverse
# deb-src http://fr.archive.ubuntu.com/ubuntu/ bionic-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://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse
deb-src http://archive.ubuntu.com/ubuntu focal-backports main restricted universe multiverse #Added by software-properties
## 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 focal partner
deb-src http://archive.canonical.com/ubuntu focal partner
deb http://archive.ubuntu.com/ubuntu focal-security main restricted
deb-src http://archive.ubuntu.com/ubuntu focal-security restricted main multiverse universe #Added by software-properties
deb http://archive.ubuntu.com/ubuntu focal-security universe
# deb-src http://security.ubuntu.com/ubuntu bionic-security universe
deb http://archive.ubuntu.com/ubuntu focal-security multiverse
# deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
deb https://dl.winehq.org/wine-builds/ubuntu/ focal main
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ focal main
arthur@ArthurPC:~$ ls /etc/apt/sources.list.d
cybermax-dexter-ubuntu-sdl2-backport-bionic.list
cybermax-dexter-ubuntu-sdl2-backport-bionic.list.distUpgrade
cybermax-dexter-ubuntu-sdl2-backport-bionic.list.save
google-chrome.list
google-chrome.list.distUpgrade
google-chrome.list.save
lutris-team-ubuntu-lutris-bionic.list
lutris-team-ubuntu-lutris-bionic.list.distUpgrade
lutris-team-ubuntu-lutris-bionic.list.save
arthur@ArthurPC:~$ cat /etc/apt/sources.list.d/*.list
# deb http://ppa.launchpad.net/cybermax-dexter/sdl2-backport/ubuntu focal main # désactivé pour la mise à niveau vers focal
# deb-src http://ppa.launchpad.net/cybermax-dexter/sdl2-backport/ubuntu bionic main
### THIS FILE IS AUTOMATICALLY CONFIGURED ###
# You may comment out this entry, but any other modifications may be lost.
# deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main # désactivé pour la mise à niveau vers focal
# deb http://ppa.launchpad.net/lutris-team/lutris/ubuntu focal main # désactivé pour la mise à niveau vers focal
# deb-src http://ppa.launchpad.net/lutris-team/lutris/ubuntu bionic main
arthur@ArthurPC:~$ apt list | grep "installé, local"
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
emptyepsilon/now 2020.06.17 amd64 [installé, local]
google-chrome-stable/now 88.0.4324.96-1 amd64 [installé, local]
gstreamer1.0-fluendo-mp3/now 0.10.32.debian-1 amd64 [installé, local]
libavcodec-extra57/now 7:3.4.8-0ubuntu0.2 amd64 [installé, local]
libavutil55/now 7:3.4.8-0ubuntu0.2 amd64 [installé, local]
libboost-date-time1.65.1/now 1.65.1+dfsg-0ubuntu5 amd64 [installé, local]
libboost-filesystem1.65.1/now 1.65.1+dfsg-0ubuntu5 amd64 [installé, local]
libboost-system1.65.1/now 1.65.1+dfsg-0ubuntu5 amd64 [installé, local]
libcdio17/now 1.0.0-2ubuntu2 amd64 [installé, local]
libdns-export1100/now 1:9.11.3+dfsg-1ubuntu1.13 amd64 [installé, local]
libevent-2.1-6/now 2.1.8-stable-4build1 amd64 [installé, local]
libexempi3/now 2.4.5-2 amd64 [installé, local]
libexiv2-14/now 0.25-3.1ubuntu0.18.04.5 amd64 [installé, local]
libgdbm5/now 1.14.1-6 amd64 [installé, local]
libgspell-1-1/now 1.6.1-1 amd64 [installé, local]
libgutenprint2/now 5.2.13-2 amd64 [installé, local]
libgweather-3-15/now 3.28.2-1~ubuntu18.04.1 amd64 [installé, local]
libilmbase12/now 2.2.0-11ubuntu2 amd64 [installé, local]
libip4tc0/now 1.6.1-2ubuntu2 amd64 [installé, local]
libisc-export169/now 1:9.11.3+dfsg-1ubuntu1.13 amd64 [installé, local]
libisc169/now 1:9.11.3+dfsg-1ubuntu1.13 amd64 [installé, local]
libjson-c3/now 0.12.1-1.3ubuntu0.3 amd64 [installé, local]
liblouis14/now 3.5.0-1ubuntu0.3 amd64 [installé, local]
liblwres160/now 1:9.11.3+dfsg-1ubuntu1.13 amd64 [installé, local]
libmagickcore-6.q16-3/now 8:6.9.7.4+dfsg-16ubuntu6.9 amd64 [installé, local]
libnettle6/now 3.4-1 amd64 [installé, local]
libnih1/now 1.0.3-6ubuntu2 amd64 [installé, local]
libopenexr22/now 2.2.0-11.1ubuntu1.4 amd64 [installé, local]
libperl5.26/now 5.26.1-6ubuntu0.5 amd64 [installé, local]
libpoppler73/now 0.62.0-2ubuntu2.12 amd64 [installé, local]
libprocps6/now 2:3.3.12-3ubuntu1.2 amd64 [installé, local]
libraw16/now 0.18.8-1ubuntu0.3 amd64 [installé, local]
libsdl2-2.0-0/now 2.0.12+dfsg1-2 amd64 [installé, local]
libssl1.0.0/now 1.0.2n-1ubuntu5.5 amd64 [installé, local]
libswresample2/now 7:3.4.8-0ubuntu0.2 amd64 [installé, local]
libvpx5/now 1.7.0-3ubuntu0.18.04.1 amd64 [installé, local]
libx264-152/now 2:0.152.2854+gite9a5903-2 amd64 [installé, local]
libx265-146/now 2.6-3 amd64 [installé, local]
linux-headers-5.0.0-32-generic/now 5.0.0-32.34~18.04.2 amd64 [installé, local]
linux-headers-5.0.0-32/now 5.0.0-32.34~18.04.2 all [installé, local]
nplan/now 0.99-0ubuntu3~18.04.4 all [installé, local]
perl-modules-5.26/now 5.26.1-6ubuntu0.5 all [installé, local]
python-talloc/now 2.1.10-2ubuntu1 amd64 [installé, local]
ubuntu-web-launchers/now 18.04.7 all [installé, local]
ureadahead/now 0.100.0-21 amd64 [installé, local]