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Re: Question on Unattended Upgrades

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On Tuesday 12 May 2020 10:30:04 Celejar wrote:

> On Tue, 12 May 2020 06:03:52 -0400
>
> Gene Heskett <gheskett@shentel.net> wrote:
> > On Tuesday 12 May 2020 05:07:04 l0f4r0@tuta.io wrote:
> > > Hi,
> > >
> > > 12 mai 2020 à 08:22 de keifer.bly@gmail.com:
> > > > Is there a way to configure it to automatically restart when a
> > > > package that needs to be restarted is upgraded?
> > >
> > > I think 'Unattended-Upgrade::Automatic-Reboot "true";' should do
> > > it in /etc/apt/apt.conf.d/50unattended-upgrades. If I were you, I
> > > would check /etc/apt/apt.conf.d/20auto-upgrades as well because
> > > those are the 2 most important configuration files for
> > > unattended-upgrades.
> > >
> > > Best regards,
> > > l0f4r0
> >
> > I can see a major disaster in the making, what if that reboot was
> > commanded in the middle of your nightly backup run, leaving your
> > backup program with a totally bogus database it cannot recover from?
>
> That would be unfortunate - but surely a serious backup program would
> be designed to be robust enough that ending up "with a totally bogus
> database it cannot recover from" should never happen? What if you
> have some sort of system crash during a backup? Do you have a specific
> backup system in mind?

You are trying to justify an automatic reboot, very bad idea. Granted, 
most such would be ok, and will leave a requester popup to advise the 
admin, doing its normal routine in the meantime.

I happen to use amanda to backup 5 machines here, but any backup suite 
that maintains a recovery database is going to be in deep doodoo if it 
gets rebooted in the middle of a backup.  I probably do better than most 
but a worst case scenario here if everything in place works, would only 
lose me that days data because I do keep separate copies of that data. 
But 60 days of that is 33GB, the biggest single entry in my nearly 70 
items long list.

> > Frankly the update shouldn't be allowed if your backup is actually
> > running.  So it might be safer to schedule the update and reboot if
> > needed before the backup starts.  That means one cron driven script
> > does it all in the sequence desired.

Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis
Genes Web page <http://geneslinuxbox.net:6309/gene>

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Re: Re: Question on Unattended Upgrades Victor Sudakov <vas@sibptus.ru> - 2020-05-12 07:00 +0200
  Re: Re: Question on Unattended Upgrades Keifer Bly <keifer.bly@gmail.com> - 2020-05-12 07:30 +0200
    Re: Question on Unattended Upgrades Marco Möller <talby@debianlists.mobilxpress.net> - 2020-05-13 15:10 +0200
  Re: Question on Unattended Upgrades Charles Curley <charlescurley@charlescurley.com> - 2020-05-12 08:20 +0200
    Re: Question on Unattended Upgrades Keifer Bly <keifer.bly@gmail.com> - 2020-05-12 08:30 +0200
      Re: Question on Unattended Upgrades l0f4r0@tuta.io - 2020-05-12 11:10 +0200
        Re: Question on Unattended Upgrades Gene Heskett <gheskett@shentel.net> - 2020-05-12 12:10 +0200
          Re: Question on Unattended Upgrades l0f4r0@tuta.io - 2020-05-12 12:20 +0200
          Re: Question on Unattended Upgrades Celejar <celejar@gmail.com> - 2020-05-12 16:40 +0200
            Re: Question on Unattended Upgrades Gene Heskett <gheskett@shentel.net> - 2020-05-12 17:10 +0200
              Re: Question on Unattended Upgrades Celejar <celejar@gmail.com> - 2020-05-12 17:20 +0200
              Re: Question on Unattended Upgrades Tom Dial <tddial@comcast.net> - 2020-05-13 05:10 +0200
                Re: Question on Unattended Upgrades Keifer Bly <keifer.bly@gmail.com> - 2020-05-13 06:40 +0200
                Re: Question on Unattended Upgrades l0f4r0@tuta.io - 2020-05-13 10:00 +0200
                Re: Question on Unattended Upgrades Gene Heskett <gheskett@shentel.net> - 2020-05-13 10:20 +0200
                Re: Question on Unattended Upgrades Gene Heskett <gheskett@shentel.net> - 2020-05-13 06:50 +0200
        Re: Question on Unattended Upgrades Keifer Bly <keifer.bly@gmail.com> - 2020-05-13 03:20 +0200
      Re: Question on Unattended Upgrades rhkramer@gmail.com - 2020-05-12 13:50 +0200
        Re: Question on Unattended Upgrades Greg Wooledge <wooledg@eeg.ccf.org> - 2020-05-12 14:00 +0200
        Re: Question on Unattended Upgrades Reco <recoverym4n@enotuniq.net> - 2020-05-12 14:00 +0200
        Re: Question on Unattended Upgrades David Wright <deblis@lionunicorn.co.uk> - 2020-05-12 18:00 +0200
          Re: Question on Unattended Upgrades John Covici <covici@ccs.covici.com> - 2020-05-12 21:30 +0200
            Re: Question on Unattended Upgrades David Wright <deblis@lionunicorn.co.uk> - 2020-05-12 22:50 +0200
              Re: Question on Unattended Upgrades John Covici <covici@ccs.covici.com> - 2020-05-12 23:50 +0200
                Re: Question on Unattended Upgrades l0f4r0@tuta.io - 2020-05-13 00:20 +0200

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