[CentOS] unprivileged users rebooting at console

Sun May 5 20:20:31 UTC 2013
Cliff Pratt <enkiduonthenet at gmail.com>

How are you rebooting? What groups are you in? From the command line? When
I try this on Ubuntu (don't have a RHEL/CentOS here) I get "Have to be
root" if I issue the /sbin/reboot command as an ordinary user.



On Sun, May 5, 2013 at 10:38 PM, Joseph Spenner <joseph85750 at yahoo.com>wrote:

> I'm curious why any user logged in at the console can issue the 'reboot'
> command and reboot the system.  I've tested/verified this to work, and read
> some older posts about this.  If it were a bug, I suspect it would be fixed
> by now.
> Also, if a user is logged into the console, and then logs in via ssh from
> another system, that user can also reboot the system from that ssh
> connection.  It would seem that once a user authenticates on the console,
> and remains on the console, they can reboot from any other/new tty.  Once
> they drop off the console, the ssh connections can no longer reboot.
> If this is by design, why?
> Thanks!
> Regards,
> Joseph Spenner
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