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Idea #3859: Warn on shutdown when multiple users logged in

bug This idea was marked as implemented the 18 April 09.
Written by kamil.paral the 8 Mar 08 at 11:24. Category: Accessibility. Related project: Nothing/Others. Status: Implemented
Rationale
Multiple users can be logged in by using the user switching. But when the second user forgets about the first one and tries to shut down the computer, no warning pops up and it kills all the sessions silently. That's really bad, because all the unsaved work of the first user is completely lost. It would be *so easy* just to pop up confirmation dialog saying, that other users are still logged in and the shutdown can lose their unsaved data. In the fast-user-switch-applet we can see users currently logged in, so this is really a matter of few lines of code to implement. It would often save a lot of cursing. Windows have this functionality.

Example: Alice is working with Ubuntu. Bob wants to read his email quickly. Alice fast-switches to Bob account. Bob reads his email, forgets about Alice's running session and shuts down the computer. All Alice's unsaved work is lost. This wouldn't happen with the confirmation dialog.
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Developer comments
++ for me for being useful, and easy to implement: we just have to look at the current ConsoleKit sessions to get a list of which other users are logged in where. As an added bonus we can look at "who" to see currently established network conditions.

UI-wise this should just be added to the shutdown/reboot dialog. I would like to avoid introducing a separate "Are you sure?" confirmation dialog before getting to the actual shutdown/reboot one.

657
votes
implemented
Selected solution (#1): Auto-generated solution of idea #3859
Written by kamil.paral the 8 Mar 08 at 11:24.
Ubuntu Brainstorm was updated in January 2009. Since the idea #3859 was submitted before this update, its rationale and solution are not separated. Please vote accordingly, and if you have the necessary rights, please separate the rationale from the solution. Thanks!

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Melchior wrote on the 8 Mar 08 at 12:40
For general information, this is a problem with Gnome rather than Ubuntu itself - Kubuntu does not have this problem. :)

Auzy wrote on the 9 Mar 08 at 01:33
Good idea.. +1


juno eclipse wrote on the 9 Mar 08 at 10:29
Yes, good idea, +10
But it's a gnome/gdm issue I think...

Jadd wrote on the 26 Jun 08 at 11:44
Ubuntu by default ships with GNOME, so a problem with GNOME is a problem for Ubuntu, and an idea improving GNOME is welcome on Ubuntu Brainstorm, Melchior.

onesimus wrote on the 7 Jan 09 at 11:31
It would be useful to have on the login screen how many users are currently logged in. Before I shut down the computer, I have to log in to see whether there are users logged in - this seems a fairly pointless task and could be avoided if the login screen indicated the no. of users that were logged in.

kamil.paral wrote on the 16 Apr 09 at 23:09
Although not perfectly, this idea has seem to be solved in Ubuntu 9.04:

https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/82530

sayakb (Brainstorm admin) wrote on the 18 Apr 09 at 09:14
Idea marked as Implemented. If you wish to get the tag removed, you may contact the moderator team.


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