I cannot log in Ubuntu 15.10

[Jason Sauders]

I ran into this a few times at work on a few systems. On a hunch I just 
moved .config to a new location and then tried to log in to the GUI like 
normal. This process causes Unity to reset to defaults, but it at least 
gets the system working again as it generates a new .config directory on 
the fly (at least in my experience).

At login screen on a fresh boot:

CTRL ALT F1
log in to TTY
mv .config .config-OLD
exit
CTRL ALT F7
log in to GUI

Given that you are doing a move (mv) and not just nuking the directory, 
it should be easy to reverse if need be.

Next time this comes up at work I intend to dive further into .config to 
see what exactly I can remove so I don't have to move the entirety of 
.config, but as of now that's the best idea I have in mind.

Hope this helps!

-J

On 01/28/2016 11:49 PM, Juan Blanco wrote:
> Hello Scott,
>
> Have you tried booting into Recovery mode then selecting check all 
> file systems available, and then trying to log in again?
>
> Juan
>
> intuitionist at msn.com
>
> ------------------------------------------------------------------------
> From: scott.blair at gmail.com
> Subject: Re: I cannot log in Ubuntu 15.10
> To: ubuntu-users at lists.ubuntu.com
> Date: Thu, 28 Jan 2016 23:26:40 -0500
>
> On 01/28/2016 11:16 PM, Liu Gengdai wrote:
>
>     Hi
>
>     Yesterday I found I couldn't log in Ubuntu 15.10 on my laptop.
>     Every time when I enter my login password, the screen just flashed
>     and went back to login screen again. I don't think I did anything
>     specially before. I didn't update Ubuntu recently. Ubuntu worked
>     very well in past days.
>
>     I tried several solutions in Ubutun forum, e.g. change the access
>     right of ~/.Xauthority, but they didn't work. The
>     ~/.xsession-errors file is empty. I cannot figure out what is
>     wrong with my Ubutun. I'll appreciate if anyone can help me.
>
>     Thanks.
>
>     -- 
>     Best Regards
>     __________________
>
>     Dr. Gengdai Liu
>     liugengdai at gmail.com <mailto:liugengdai at gmail.com>
>
>
> Can you Ctrl ALT F2 and log in there?
>
> -- 
> Thanks,
>
> Scott Blair
>
> USMC Defending your freedoms since 10 November 1775
>
> Save on backup time "BackupDevice=Null"
>
> If you don't stand behind our troops,
> feel free to stand in front of them.
>
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