Remotely shutdown multiple PCs via script

[Alan Stern]

On Fri, 9 Dec 2011, Doug Kuvaas wrote:

> Here is what I am trying to do:
> 
> >From a central server running HP-UX, I would like to shutdown multiple
> Fedora PCs using a script.  This in itself is not a problem.  I have an
> account on the machines added to the sudoers file to allow them to shut
> down the systems, and connect to said systems using ssh.  I can get the
> systems to shut down remotely using the command ssh -t user at host "sudo
> /sbin/shutdown -h now".  If I run the script on the host computer it works
> like I would expect.
> 
> The problem I am running into is the host computer is typically accessed
> through one of the Fedora PCs being used to shut it down.  So when I run
> the script, it gets to the point where it is telling the current computer
> to shutdown, the script is terminated and no further systems shut down.

> Anyone have any ideas?

When invoking the script from one of the PCs, run it in the background
(maybe with nohup) so that it doesn't get killed when the PC shuts
down.

Alan Stern