need root permission to poweroff
Hi,
Since a couple of days I need root permission to poweroff.
It seems that there is a second user logged into the machine.
$ who
peter :0 2014-03-10 19:04 (:0)
peter pts/0 2014-03-16 11:36 (:0)
$ users
peter peter
I don' t know hwat caused it, perhaps by shh from another machine.
What can I do to get rid of this problem.
Peter