Re: Did anyone's F20 system randomly "reboot" after updating from updates-testing just recently?

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On Wed, Jan 15, 2014 at 10:35:23PM -0800, Adam Williamson wrote:
> On Wed, 2014-01-15 at 23:03 -0700, Michal Jaegermann wrote:
> > On Thu, Jan 16, 2014 at 04:16:43PM +1100, Ankur Sinha wrote:
> > > I know
> > > I can probably fix it removing each package individually etc, but it'll
> > > take me less time to wipe and reinstall everything. 
> > 
> >    package-cleanup --cleandupes
> > 
> > does such removals in one transaction.
> 
> I don't want to be too categorical about it, but I deeply distrust that
> option. IIRC, the one time I tried to use it, I found that what it does
> is really *remove* packages,

Well, yes.  That why is there.  If you want just an information then

   package-cleanup --dupes

will show that.

> which is almost never what you want if you
> have dupe problems

I was unlucky enough to need --cleandupes some number of times, for
various reasons, and this is exactly what I wanted to happen.  Maybe
a confirmation request would be not out of place but that is another
story.

Unfortunatly in any slightly more complicated situation
'yum-complete-transaction' was for me consistently screwing a big way.
Either it was outright refusing to work due to dependencies and
attempting to deinstall most of the system including some crucial
libraries and programs.

> - that is, if you have both 'foo-1.0-1' and
> 'foo-1.0-2' registered as 'installed' and you run 'package-cleanup
> --cleandupes', what seems to happen is you wind up with 'foo-1.0-2'
> registered as 'installed', but *all the files are gone*, or something
> similarly ridiculous. It was badly broken, anyway.

Maybe I was just lucky but most of the time --cleandupes worked for me
just fine.  Many years ago I have seen something like you describe for
a few minor packages but that is trivial to fix.  I did not run into
something like that ever since.

> I still stick to the old routine for dupe fixing: 'rpm -e --justdb
> --noscripts (older_version)',

This, for a change, leaves you with an asorted leftover files lying
around.  You should now sweep all system directories with 'rpm -qf
<file/directory>' and for every one reported "not owned by any package"
decide if it was generated or it should be removed.  A long and not
funny job.

Anyway - if you prefer a hard way this is your choice.

   Michal
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