Root priviledges needed to poweroff

[Adam Pribyl]

On Thu, 26 Jul 2012, ergodic wrote:

> Karel your philosophy is correct.  I have seen this issue when my grandchildren complained that they could not turn of their box after it was was upgraded to F-17.  That is why I filed Bug 843299.
>
> Manny

While I understand the reasoning made by Karel, I have to say, that the 
message preventing user to poweroff saved me a lot of times work I was 
doing on their workstation remotely.

The bug you've submitted I understand is saying the /usr/bin/reboot should 
ask or warn if someone else is logged in (!), else reboot immediately, but 
/usr/sbin/reboot should reboot without asking, if you have sufficient 
permissions, which is not the case when you invoke it as a user - that's 
why system asks for authentication. I'd say this a bit different thing to 
what we are talking here about.

Adam Pribyl

> ----- Original Message -----
> Dne St 25. července 2012 11:46:51, Adam Williamson napsal(a):
>> I just tested on two F17 machines and running 'reboot' as a
>> regular user happily reboots the system even if root is logged
>> in at VT2, no warning or authentication required. That does
>> seem to make the 'protection' on the graphical reboot button a
>> bit pointless, but meh.
>
> ahem, any such "protection" is pointless and in fact 
> contraproductive as long as the user is able to pull out the AC 
> cord (or the battery in case of laptops) (or use sysreq magic)
>
> warning? - good idea, and it should be more sophisticated to be 
> helpful when asking others to save the work and logout (or 
> identifying what is running and who runs it)
>
> authentication? - no, as it may prevent the user from shutting 
> down the system gracefully
>
> K.
>
> -- 
> Karel Volný
> QE BaseOs/Daemons Team
> Red Hat Czech, Brno
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> (RH: +420 532294111 ext. 8262074)
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Odchozi zprava neobsahuje viry, protoze nebyla odeslana z Windows.
Otestovano zdarma a legalne na OS Linux.
(Proc pouzivat Linux - http://proc.linux.cz/).