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Re: Bug#990069: openssh-server: Not accepting new connections during Debian 10 -> 11 upgrade



Hi all,

On 04-07-2021 00:42, Colin Watson wrote:
> Sorry for my delay - it took me a while to spot the problem.  libc6's
> postinst does arrange to restart services where needed, but in this case
> it doesn't realize that you have the ssh service installed because you
> only have the openssh-server package installed, not the ssh metapackage
> (i.e. the package with the same name as the service).
> 
> I've proposed
> https://salsa.debian.org/glibc-team/glibc/-/merge_requests/3 to fix
> this.  glibc maintainers, if there's any way to get this into bullseye,
> I'm sure it would help avoid some people upgrading remote systems ending
> up being unable to fix them if something goes wrong between configuring
> libc6 and configuring openssh-server.  Also CCing debian-release for
> their information, as I know it's pretty late for glibc changes.

I think we really want this. I *think* I ran into exactly this issue two
days ago when I upgraded my NAS. It's really scary to notice that you
can't log into your system and your only connection is the current one
running the upgrade. In my case, it was asking questions along the way.
I had considered running the upgrade in screen. In the end it look
longer than expected and I left my laptop on. If I would have run in
screen and disconnected, I would have had no idea what hit me.

Paul

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