su authentification

[Shahab Shahsavari Alavidjeh]

I think this command should work without any restrictions
sudo systemctl poweroff

or maybe I'm not getting something here
On Thu, Sep 17, 2015 at 11:45:40AM -0700, Rick Stevens wrote:
> On 09/17/2015 11:32 AM, Joe Zeff wrote:
> >On 09/17/2015 11:08 AM, Zoltan Hoppar wrote:
> >>The problem is worse. This setup locks out as user  to do any su or
> >>sudo or shutdown manually. No reboot, nor shutdown command because the
> >>user even if has added to the sudoers list - it has been locked out me
> >>either. Any shutdown command fails and forcing the computer to
> >>hibernate. PS: I have Mate version.
> >>
> >>Just discovered this issue.
> >
> >Try this from a terminal:
> >
> >ls -l -Z /usr/sbin/poweroff
> >
> >For me, that returns this:
> >
> >[joe at barrayar ~]$ ls -l -Z /usr/sbin/poweroff
> >lrwxrwxrwx. root root system_u:object_r:bin_t:s0 /usr/sbin/poweroff ->
> >../bin/systemctl
> >
> >It's possible that either the permissions or the SELinux context is wrong.
> 
> Also check the SELinux and permissions of /bin/systemctl:
> 
> [root at prophead ~]# ls -l -Z /bin/systemctl
> -rwxr-xr-x. root root system_u:object_r:systemd_systemctl_exec_t:s0
> /bin/systemctl
> 
> Check your logs for SELinux avc errors.
> ----------------------------------------------------------------------
> - Rick Stevens, Systems Engineer, AllDigital    ricks at alldigital.com -
> - AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
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> -   UNIX is actually quite user friendly.  The problem is that it's  -
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