Re: PSA: Do not run 'dnf update' inside GNOME, KDE or any other graphical desktop on Fedora 24

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On 10/04/2016 02:46 PM, stan wrote:
> (Copying to the list)
> 
> On Tue, 04 Oct 2016 17:13:26 -0400
> "Eddie G. O'Connor Jr." <eoconnor25@xxxxxxxxx> wrote:
> 
>> Just curious.....i read you all saying you don't run dnf "inside a
>> desktop" am I to assume that me running a terminal AFTER LOGGING IN
>> TO THE DESKTOP is not a good idea..? I'm sorry....  It's just that
>> I'm "old school"  and only know about running commands from within a
>> terminal.....but it's always been AFTER I've logged into the
>> desktop... 
> 
> You are running a terminal under X, so you are susceptible to the
> problem if you have hybrid graphics.  You could try the systemctl
> command Adam mentioned to confirm, knowing that it will crash X if you
> meet the criteria, and lose anything in progress.
> 
> What Adam is saying is you need to run dnf in a virtual console
> environment (Ctl-Alt-[F2-F6]) to avoid the problem.  This is non-X, and
> so even if X crashes, the dnf update won't be affected.
> 
> There is nothing wrong with running a terminal under X for other
> purposes, just with running dnf update, and even then only for
> people that meet the criteria.

I don't think I've ever run one of the GUI package managers. I have run
"dnf --refresh upgrade" in an Xfce terminal, as root, any number of
times (most of the time, in fact). I ran into an X screwup only once
(early this week) and I think it was an upgrade of the session manager
that blipped. I got logged out of my session rather unceremoniously,
and a re-login was also screwed up.

I rebooted the machine (wanted the new kernel anyway) and all was well.
I had no duplicate packages or anything of that nature. I even did a
distro-sync and it looked OK. Perhaps I'm just fortunate. If so, it'd be
the first time I have been in a really long time! I am Murphy's target.
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