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Date:      Thu, 10 Aug 2000 11:08:28 +0200 (CEST)
From:      Paul Herman <pherman@frenchfries.net>
To:        Adam Hefetz <adam_hefetz@hotmail.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: user permissions
Message-ID:  <Pine.BSF.4.21.0008101103140.266-100000@bagabeedaboo.security.at12.de>
In-Reply-To: <F254OeIiGXix4A2DreB00002d5a@hotmail.com>

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On Thu, 10 Aug 2000, Adam Hefetz wrote:

> Hi,
> I have problems with my user permissions. When trying to reboot I get this:
> 
> $ shutdown -r now
> bash: /sbin/shutdown: Permission denied

Indeed, you have to be super-user to use shutdown itself.  However, if
you are a member of the "operator" group, you can also use shutdown,
because it is normally setuid root for the "operators" and no one
else:

-r-sr-x---  1 root  operator  164556 Jul 29 12:58 /sbin/shutdown

So just add yourself to the operator group, and everything should be
fine... EXCEPT when you...

> I tried doing 'chown adam:wheel /sbin/shutdown' but then I get this message:
> 
> shutdown: NOT super-user

Now you've made it so that no-one but root may use shutdown.  To
change it back, do:
  chown root:operator /sbin/shutdown
  chmod 4550 /sbin/shutdown

> Also, when I try using ppp I get this message:

(mark already helped you there.)

-Paul.



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