Hiding Shutdown/reboot in logout dialog and possible security issue

Israel israeldahl at gmail.com
Mon Jul 14 13:29:13 UTC 2014

Hi Anders,
I misunderstood you, I thought you meant the shutdown buttons in lightdm.
But, you are meaning the logout dialog.  It was unclear to me what you

I am sorry for misunderstanding you, now I see!!!  Thanks for your reply!

You may be able to edit the shutdown menu, to simply log out the user,
though you may be right, there could be no way to do what you are
looking for.
I made the exec bold...

[Desktop Entry]
Comment=Shutdown or Reboot
Exec=*lxsession-default quit*

But I expect, that if you can do it easily with XFCE, then that is the
proper choice for your scenario.  It is always so wonderful to have
We can run the same OS with different DE for different needs!

Thanks for mailing us back.  It is a good lesson to me, that I need ask
more questions to understand much better what someone is talking about

On 07/14/2014 07:49 AM, Anders Bruun Olsen wrote:
> Hi Israel,
> I have no idea how you got that from what I have written. My question
> has nothing to do with starting X. That is not a problem at all. The
> problem is that the logout menu shows the shutdown/reboot buttons,
> which I do not want unprivileged users to see. The logout menu is a
> part of LXDE, not the login manager (lightdm or slim). In particular
> the buttons are a part of the lxsession-logout package.
> Having researched LXDE a bit more, it does not seem possible, and it
> seems that Lubuntu is not really an option for running a terminal
> server, without modifying code, which I do not want to do. I'm gonna
> go with XFCE instead. There I can set a policy with polkit, which will
> at least grey out the shutdown/reboot buttons (rendering them
> unclickable). Thanks for your replies and suggestions :)
> ...
> -- 
> Anders Bruun Olsen
> It-ansvarlig
> Det Danske Sprog- og Litteraturselskab
> (Society for Danish Language and Literature)


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