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.
> 


Reply via email to