Voilà pour les paquets orphelins :
qlqn@qlqn-W54-55SU1-SUW:~$ apt list | grep "installé, local"
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
language-pack-en/now 1:18.04+20200123 all [installé, local]
language-pack-gnome-en/now 1:18.04+20200123 all [installé, local]
libcephfs2/now 12.2.13-0ubuntu0.18.04.2 i386 [installé, local]
libdjvulibre-dev/now 3.5.27.1-8ubuntu0.2 i386 [installé, local]
libdjvulibre-text/now 3.5.27.1-8ubuntu0.2 all [installé, local]
libdjvulibre21/now 3.5.27.1-8ubuntu0.2 i386 [installé, local]
libdrm-amdgpu1/now 2.4.101-2~18.04.1 i386 [installé, local]
libdrm-common/now 2.4.101-2~18.04.1 all [installé, local]
libdrm-intel1/now 2.4.101-2~18.04.1 i386 [installé, local]
libdrm-nouveau2/now 2.4.101-2~18.04.1 i386 [installé, local]
libdrm-radeon1/now 2.4.101-2~18.04.1 i386 [installé, local]
libdrm2/now 2.4.101-2~18.04.1 i386 [installé, local]
libdvdcss-dev/now 1.4.2-1~local i386 [installé, local]
libdvdcss2/now 1.4.2-1~local i386 [installé, local]
libegl-mesa0/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libegl1-mesa/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libgbm1/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libgl1-mesa-dri/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libgl1-mesa-glx/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libglapi-mesa/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libgles2-mesa/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libglx-mesa0/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libgpgme11/now 1.10.0-1ubuntu2.1 i386 [installé, local]
libgpgmepp6/now 1.10.0-1ubuntu2.1 i386 [installé, local]
librados2/now 12.2.13-0ubuntu0.18.04.2 i386 [installé, local]
libsnmp-base/now 5.7.3+dfsg-1.8ubuntu3.4 all [installé, local]
libsnmp-dev/now 5.7.3+dfsg-1.8ubuntu3.4 i386 [installé, local]
libsnmp30/now 5.7.3+dfsg-1.8ubuntu3.4 i386 [installé, local]
libwayland-egl1-mesa/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
libxatracker2/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
linux-generic/now 4.15.0.103.93 i386 [installé, local]
linux-headers-4.15.0-102/now 4.15.0-102.103 all [installé, local]
linux-headers-4.15.0-102-generic/now 4.15.0-102.103 i386 [installé, local]
linux-headers-4.15.0-103/now 4.15.0-103.104 all [installé, local]
linux-headers-4.15.0-103-generic/now 4.15.0-103.104 i386 [installé, local]
linux-headers-generic/now 4.15.0.103.93 i386 [installé, local]
linux-image-3.13.0-108-generic/now 3.13.0-108.155 i386 [installé, local]
linux-image-4.15.0-102-generic/now 4.15.0-102.103 i386 [installé, local]
linux-image-4.15.0-103-generic/now 4.15.0-103.104 i386 [installé, local]
linux-image-extra-3.13.0-108-generic/now 3.13.0-108.155 i386 [installé, local]
linux-image-generic/now 4.15.0.103.93 i386 [installé, local]
linux-libc-dev/now 4.15.0-103.104 i386 [installé, local]
linux-modules-4.15.0-102-generic/now 4.15.0-102.103 i386 [installé, local]
linux-modules-4.15.0-103-generic/now 4.15.0-103.104 i386 [installé, local]
linux-modules-extra-4.15.0-102-generic/now 4.15.0-102.103 i386 [installé, local]
linux-modules-extra-4.15.0-103-generic/now 4.15.0-103.104 i386 [installé, local]
login/now 1:4.5-1ubuntu2.1 i386 [installé, local]
mesa-va-drivers/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
mesa-vdpau-drivers/now 20.0.4-2ubuntu1~18.04.2 i386 [installé, local]
openssh-client/now 1:7.6p1-4ubuntu0.4 i386 [installé, local]
passwd/now 1:4.5-1ubuntu2.1 i386 [installé, local]
ssh-askpass-gnome/now 1:7.6p1-4ubuntu0.4 i386 [installé, local]
syslinux/now 3:6.03+dfsg1-2ubuntu0.18.04.2 i386 [installé, local]
syslinux-common/now 3:6.03+dfsg1-2ubuntu0.18.04.2 all [installé, local]
teamviewer/now 12.0.71510 i386 [installé, local]
zoom/now 3.5.392530.0421 i386 [installé, local]
qlqn@qlqn-W54-55SU1-SUW:~$