Lister les paquets locaux ou obsolète d’une distribution GNU+Linux basées sur Debian
$ sudo apt install apt-show-versions
$ apt-show-versions | grep -v buster (1)
$ apt-show-versions | grep -v buster | awk '{print $1}' | xargs apt remove (2)| 1 | List all packages and remove those with buster in the line, so belonging to the current stable version of Debian |
| 2 | Selecting, in addition, the 1st column and apply apt remove on each result |
| This will also remove the local packages, that where never part of the official distribution. |
For an interactive removal, one packet at a time:
$ for i in `apt-show-versions | grep -v buster | grep -v 'not installed' | awk '{print $1}'` ; do sudo apt remove $i ; doneThanks to : Arthur Lutz.
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