On Tue, 19 Jul 2016 16:25:59 +0200
Tomasz Torcz <tomek@???> wrote:

> On Mon, Jul 18, 2016 at 07:43:51PM -0700, Rick Moen wrote:
> > Quoting Brad Campbell (lists2009@???):
> >
> > > This is one I find interesting. I've never used an operating
> > > system where it was required to know root credentials to halt or
> > > reboot the machine from the login screen.
> >
> > Remember, Unix is a multiuser operating system, and also one
> > supporting both local and remote users, who would be annoyed by
> > someone deciding to cut them off.
>
> So it would be sensible to ask for root password IF there are other
> (remote) users logged in. If there is no one logged in,
> shutdown/reboot should be possible without entering root password.
> Above heuristic could be default, with additional setting available
> to always/never require root password to shutdown.


/etc/slim.conf offers a lot of flexibility if you are willing to edit
some additional files, or to create a tool that does it for you. Your
suggestions could be implemented easily.

libre Grüße,

Florian