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Auteur: Hendrik Boom
Datum:  
Aan: dng
Onderwerp: Re: [DNG] another upgrade ascii to beowulf borked
On Tue, Aug 03, 2021 at 06:13:15PM +0200, Arnt Karlsen wrote:
> On Tue, 3 Aug 2021 10:05:39 -0400, Hendrik wrote in message
> <20210803140539.4kor7lhfljf7to7b@???>:
>
> > On Tue, Aug 03, 2021 at 02:33:08PM +0200, Arnt Karlsen wrote:
> > > On Tue, 3 Aug 2021 06:49:33 -0400, Hendrik wrote in message
> > > <20210803104933.5ics6nomqyctr6kr@???>:
> > > >
> > > > (I wasn't worried about postgresql failing; as far as I know, I
> > > > don't use it.)
> > >
> > > ..you probably use(d) some service built upon it and/or some front
> > > end of it. Welcome to the club. ;o)
> >
> > Still not worried. If there is such a service, I can sort it out
> > later; perhaps with the instructions I got long ago during the
> > upgrade for migrating data bases to the new version.
> >
> > What does worry me is that the upgrade froze while /var/lib/dpkg is
> > locked, and I cannot resume it.
>
> ..is it hung dead, or can you kill it?
> If you kill it, kill everything else that needs dpkg etc
> lock files, before you remove those lock files.
> Once they are gone, you should be able to resume your
> upgrade with your standard tricks.
>
> > I need to know how to resume the upgrade and get to the end.
>
> ..tried apt-get's --fix-broken (or -f ) option?
> Or dpkg --configure -a ?


These did most of the work.

Turns out I hadn't killd all the processes involved in relevant locks.
Discovered lslocks by a google search. Good I had another computer to
use for this.

After this I apt-get --fix-broken told me to dpkg --configure -a
After that, I could resume upgrading using apt-get.

this time it succeeded in stopping ans starting postgres.

-- hendrik

>
> ..next few ideas: dpkg's --force-remove-reinstreq, chk man dpkg for
> details, in mad bad cases, chk dpkg --force-help , my nuclear war
> way is pile up everything not included in --force-all.


>
> > Right now my system is likely in a mixed ascii-beowulf state, with
> > all the accompanying version skew.
> >
> > Will booting it even work?
>
> ..if you have all the basic bits intact, yes, otherwise
> you're in for a chroot session, or a fresh install.
>
> ..if you at least can install things the dpkg -i way, you can use
> busybox as an init the way minimalist and embedded distro people
> does init with static busybox, should make life a fair bit easier
> booting with "1 init=/path/to/the/static/busybox" or somesuch off
> the grub command line.
>
> ..you want the static busybox, a messed up install of the standard
> version of busybox using the standard system libraries, will be useless
> because those standard system libraries will be messed up, and useless.
>
> > Will it unlock dpkg? (likely not)
>
> ..pass. Depends on a lot of things, my big snip took
> away your context, but see above on lock files.
>
> > Will I be able to continue the upgrade later?
> > If so, how?
> >
> > -- hendrik
>
> --
> ..med vennlig hilsen = with Kind Regards from Arnt Karlsen
> ...with a number of polar bear hunters in his ancestry...
> Scenarios always come in sets of three:
> best case, worst case, and just in case.
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