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From: Jonathan McKeown <j.mckeown@ru.ac.za>
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Subject: Re: SUID permission on Bash script
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On Friday 28 August 2009 10:54:19 Giorgos Keramidas wrote:
> On Fri, 28 Aug 2009 09:24:35 +0100, Jeronimo Calvo 
<jeronimocalvop@googlemail.com> wrote:
> > Hi folks!
> >
> > Im trying to set up a reaaallly basic scrip to allow one user to shutdown
> > my machine without root permisions, seting up SUID as follows:
>
[snip]
>
> The good thing is that you don't need a shell script to do that.  You
> can install `sudo' and give permission to the specific user to run:
>
>     sudo shutdown -p now

Or (assuming it doesn't grant too many other privileges) just put the user in 
group operator.