On Tue, 2023-02-21 at 15:42 -0600, David Wright wrote: > On Wed 22 Feb 2023 at 06:34:27 (+1000), David wrote: > > On Tue, 2023-02-21 at 12:09 -0800, Van Snyder wrote: > > > > > > When I installed Debian 11, I didn't destroy Debian 10. I still > > > have > > > Debian 10 on a different drive. In attempting to repair an > > > entirely > > > different problem, I had done > > > > > > apt-get update; apt-get upgrade > > > > One of the reasons I prefer aptitude's `safe-upgrade'. > > That's the equivalent command, and would not protect you.
That's what many think: aptitude safe-upgrade upgrades currently installed packages and can install new packages to resolve new dependencies. apt-get upgrade upgrades currently installed packages. > It will > upgrade everything that doesn't involve a new package, but nothing > else, hence the mish-mash of Debian 10 and 11. > > If you want keep an old system around, you need to make sure that the > sources.list has the correct version's proper name in it, ie buster > in your case. And if you're later going to use it at all, you need > to keep it updated with those two commands. > > > > Does anybody have any suggestions to repair it? > > As others have suggested, the easiest is probably to: > > # apt-get update; apt-get dist-upgrade > > which will take it up to stable ≡ bullseye. > > Then edit the sources.list and change stable → bullseye. > And do the same edit to the system that was already Debian 11. > > In a few ?weeks, you can decide which of the two drives you want to > upgrade to Debian 12 ≡ bookworm, and leave the other as Debian 11, > upgradeable /safely/ as Debian 11. > > Cheers, > David. >