On Mon, Feb 03, 2025 at 15:18:59 +0100, Jörg-Volker Peetz wrote: > you could check for obsolete packages, depending on the apt version, with > > $ apt list '~o'
Oh, right. *That* is probably what the OP was really looking for: packages that have been installed in the past but are no longer installable from repositories because they've been superseded, or generated locally, or because their repositories have been removed from sources.list, or whatever.
