Re: Session Management Proposal

On Mon, 2003-12-29 at 16:47, Ray Strode wrote:
> >I hope that any changes that will let users shutdown and/or reboot a
> >computer from within their session comes with the provision for the
> >system administrator to disable this so that there are no reboot and/or
> >restart and/or shutdown menu items visible to the user.
> >
> >I can not perceive of any reason why a _user_ should be able to reboot
> >or shutdown a computer. There are many occasions were this is definitely
> >not desired.
> >  
> >
> I can see what you are saying.   It would not be a good thing is some 
> random user, logging in
> remotely, could shutdown a large multiuser system.  I think if a desktop 
> manager is loaded,
> the desktop manager should be in charge of deciding whether the shut 
> down request
> coming from the session manager is valid or not.  If there is no desktop 
> manager, then
> that leaves the session manager with two options..
> 1) Use console helper if available or (iow, get a password)
> 2) don't offer reboot/halt at all.


of course I wouldn't want a remote user shutting down a multiuser
system, but I was really thinking about a local user, ie. a user logged
into gdm and physically sitting in front of the machine.

Why should such a user not be able to shutdown the computer? Imagine a
setup of computer labs. Those machines should always be running. In our
setup for example a machine that has been shut down would stop
responding to mon inquiries and so look like a machine requiring
administrator attention causing a system administrator to be dispatched.
Since the physical button are not accessible to users, that machine
would in fact be out of usage until the administrator reboots it.


Prof. Dr. Andreas J. Guelzow
Dept. of Mathematical & Computing Sciences
Concordia University College of Alberta

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