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Old 07-17-2003, 07:10 PM   #1
Registered: May 2002
Location: The good 'ol USofA
Distribution: ArchLinux - Slackware 8.1
Posts: 398

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giving a user poweroff permission

im letting a friend use my laptop for a while, i did adduser, set it up, tested it out myself, went to call a poweroff, then shutdown, then reboot and commands are not found... did /sbin/poweroff and shutdown... you must be root to do this. how can i give my new user permission to shutdown the computer? ie group etc. i've gone to tldp and man useradd... no help
Old 07-17-2003, 07:47 PM   #2
Registered: Jun 2003
Location: Warwick (
Distribution: Arch, Slackware 9.0, (knoppix standing by)
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I know sudo can help you with this, but I can't tell you exactly how it works... check out "man sudo". Sorry i can't help more, but its a start.
Old 07-18-2003, 03:45 AM   #3
Registered: Jul 2003
Location: --> X <-- You are here.
Distribution: Slackware
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Only one answer for you: "sudo".

You can give your friend the right to shutdown your laptop with the proper entry in /etc/sudoers.

Here are a couple of articles for you, that may help you (based on FreeBSD, but should be applicable to Slackware easily):

Also, using groups may help:

Hope this helps...
Old 07-18-2003, 04:33 AM   #4
Registered: Apr 2002
Distribution: Slackware
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If I remember correctly, you can set something in KDM such that it will allow any user to shutdown the system via the local console.

Maybe you should look into the Login Manager for KDE (if you are using KDE).
Old 07-18-2003, 02:53 PM   #5
Registered: May 2002
Location: The good 'ol USofA
Distribution: ArchLinux - Slackware 8.1
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thanks, ill check sudo out.
Old 07-18-2003, 08:30 PM   #6
Registered: Jun 2003
Location: USA
Distribution: Slackware-Current
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This might work: Create a file called: /etc/shutdown.allow , that lists all the users who are allowed to shutdown your box.

Old 07-18-2003, 09:06 PM   #7
Registered: Feb 2002
Location: Virginia USA
Distribution: Slackware, CentOS, Fedora
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try as root:
chmod u+s /sbin/halt
then as a regular user shutdown doing

Last edited by figadiablo; 07-21-2003 at 06:45 AM.
Old 07-19-2003, 06:21 AM   #8
Registered: May 2003
Location: Somewhere in Asia
Distribution: ubuntu on Dell, Vista,XP triple boot
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I think I posted a similar question before(here ) and the solution is the GDM -gnome desktop manager which is the default for slackware. In GDM you can display shutdown and reboot together with the login GUI. Try is by typing in a console 'telinit 4'.

Last edited by bongski55; 07-19-2003 at 06:39 AM.


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