logout fails: the answer

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logout fails: the answer

Jacques Beigbeder
Hello Ubuntu users,
 
>> I have a new problem with 50 Linux boxes.
>> My environment:
>> Ubuntu 16.04 up to date
>> ...
>> The user logs with Ubuntu session, since:
>> but no logout

Answer is some interaction with lightdm and kwallet.
See:
        https://askubuntu.com/questions/1058015/unable-to-end-session-log-out-using-lightdm-16-04
        https://unix.stackexchange.com/questions/454593/groups-not-registering-in-x
and also:
        https://bugzilla.redhat.com/show_bug.cgi?id=1581495

Unfortunately:
        Priority: low
  Severity: high

Correction 1: comment libwallet in /etc/pam.d/ligthdm
or
Correction 2: apt remove libpam-kwallet-common libpam-kwallet4 libpam-kwallet5


Of course this happens on computers used for teaching, with a lot
of logins/logouts. On a personal laptop, you don't see.

--
Jacques Beigbeder                    |  [hidden email]
Service de Prestations Informatiques |     http://www.spi.ens.fr
Ecole normale supĂ©rieure             |
45 rue d'Ulm                         |Tel : (+33 1)1 44 32 37 96
F75230 Paris cedex 05                |Fax : (+33 1)1 44 32 20 75


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Re: logout fails: the answer

Ken D'Ambrosio
On 2018-09-05 11:10, Jacques Beigbeder wrote:
> Hello Ubuntu users,
>
>>> I have a new problem with 50 Linux boxes.
>>> My environment:
>>> Ubuntu 16.04 up to date

Thanks so much for replying!  Unfortunately, while I know Linux pretty
darned well, your environment had significant differences from what I
use, so I didn't feel informed-enough to comment.  I'm really glad you
found the answer... if not the solution.  Good luck, and thanks for
taking the time to inform us when you found out the root cause!

-Ken


>>> ...
>>> The user logs with Ubuntu session, since:
>>> but no logout
>
> Answer is some interaction with lightdm and kwallet.
> See:
> https://askubuntu.com/questions/1058015/unable-to-end-session-log-out-using-lightdm-16-04
> https://unix.stackexchange.com/questions/454593/groups-not-registering-in-x
> and also:
> https://bugzilla.redhat.com/show_bug.cgi?id=1581495
>
> Unfortunately:
> Priority: low
>   Severity: high
>
> Correction 1: comment libwallet in /etc/pam.d/ligthdm
> or
> Correction 2: apt remove libpam-kwallet-common libpam-kwallet4
> libpam-kwallet5
>
>
> Of course this happens on computers used for teaching, with a lot
> of logins/logouts. On a personal laptop, you don't see.
>
> --
> Jacques Beigbeder                    |  [hidden email]
> Service de Prestations Informatiques |     http://www.spi.ens.fr
> Ecole normale supĂ©rieure             |
> 45 rue d'Ulm                         |Tel : (+33 1)1 44 32 37 96
> F75230 Paris cedex 05                |Fax : (+33 1)1 44 32 20 75

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