A little crude, but how about:

-set a screen saver for 10mins
-set a crontab from every min (or whatever) with a script that checks qdbus,
if true run gnome-session-save --kill.

again, crude, but I think it will do the trick.

ex: qdbus org.gnome.ScreenSaver /ScreenSaver
org.gnome.ScreenSaver.GetActive

On Sun, Jun 5, 2011 at 10:22 PM, Ted Gould <ted@gould.cx> wrote:

> On Sun, 2011-06-05 at 13:11 -0700, betty wrote:
> > thanks for the responses;
> > i guess screen lock would work.
> > but what i am looking for is for a situation like this;
> > i'm working at my computer, i get up to do something else and may or may
> > not be back to the computer for 10 minutes or more.
> > i don't want to have to  go to something like screen lock or log out, i
> > want the computer to automatically log me off if it is left unattended
> > for more than 10 minutes.
> > in the interim until someone comes up with something, if there is
> > something, i guess i'll use screen lock.
>
> You can also set up suspend.  This used to be a laptop only feature but
> many desktops support it as well.  That along with screen locking should
> probably get you what you need.  You'll save power and not have to worry
> about someone walking up an using your session.
>
>                --Ted
>
>
>
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