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[Bug 1357490] Re: Prevent login as same user on multiple seats by default

To: ubuntu-multiseat@xxxxxxxxxxxxxxxxxxx
From: Schlomo Schapiro <1357490@xxxxxxxxxxxxxxxxxx>
Date: Wed, 31 Dec 2014 14:42:05 -0000
Reply-to: Bug 1357490 <1357490@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

I find this an important issue. Many programs like Chrome and others do
not play well when run more than once per $HOME as they use SQLite DB
files internally.

Ideally of course logging into another seat with a user who has a
session locked somewhere else would just "pull" that session, but I
guess that X does not support such a thing.

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https://bugs.launchpad.net/bugs/1357490

Title:
  Prevent login as same user on multiple seats by default

Status in Light Display Manager:
  Triaged

Bug description:
  It would be nice if LightDM has the capablity (mandatory or optional)
  to prevent a same user from logging in on multiple seats.

  We know it can be done system-wide by setting "maxlogins" to 1 in file
  /etc/security/limits.conf, but this setting will affect not only
  graphical logins, but also console and SSH logins. A proper solution
  for graphical logins only is preferable.

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