ok voici le retour :
qlqn@qlqn-W54-55SU1-SUW:~$ apt list | grep "installé, local"
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
gdm3/now 3.28.3-0ubuntu18.04.5 i386 [installé, local]
gir1.2-gdm-1.0/now 3.28.3-0ubuntu18.04.5 i386 [installé, local]
gir1.2-networkmanager-1.0/now 1.10.14-0ubuntu2 i386 [installé, local]
gir1.2-nm-1.0/now 1.10.14-0ubuntu2 i386 [installé, local]
kbd/now 2.0.4-2ubuntu1.18.04.0 i386 [installé, local]
libgdm1/now 3.28.3-0ubuntu18.04.5 i386 [installé, local]
libjasper1/now 1.900.1-debian1-2.4ubuntu1.2 i386 [installé, local]
libnm-glib-vpn1/now 1.10.14-0ubuntu2 i386 [installé, local]
libnm-glib4/now 1.10.14-0ubuntu2 i386 [installé, local]
libnm-util2/now 1.10.14-0ubuntu2 i386 [installé, local]
libnm0/now 1.10.14-0ubuntu2 i386 [installé, local]
libqt5webengine-data/now 5.9.8+dfsg-0ubuntu1 all [installé, local]
libqt5webenginecore5/now 5.9.8+dfsg-0ubuntu1 i386 [installé, local]
libqt5webenginewidgets5/now 5.9.8+dfsg-0ubuntu1 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-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-extra-3.13.0-108-generic/now 3.13.0-108.155 i386 [installé, local]
linux-modules-4.15.0-102-generic/now 4.15.0-102.103 i386 [installé, local]
linux-modules-extra-4.15.0-102-generic/now 4.15.0-102.103 i386 [installé, local]
network-manager/now 1.10.14-0ubuntu2 i386 [installé, local]
network-manager-config-connectivity-ubuntu/now 1.10.14-0ubuntu2 all [installé, local]
rsyslog/now 8.32.0-1ubuntu4.1 i386 [installé, local]
teamviewer/now 12.0.71510 i386 [installé, local]
urserver/now 3.6.0.751 i386 [installé, local]
zoom/now 3.5.392530.0421 i386 [installé, local]
qlqn@qlqn-W54-55SU1-SUW:~$
plutot positif ou négatif ?