[Beowulf] Question about root login(s)
john.leidel at gmail.com
Wed Oct 18 12:29:58 PDT 2006
You can setup `passwordless` ssh access within your cluster...
or check out google...
once you get it setup, you can do something on the order of :
`ssh remotehost shutdown -r now`
On Wed, 2006-10-18 at 14:10 -0500, Tim Moore wrote:
> Hello All -
> I just upgraded the OS on my cluster and to satisfy security,
> implemented ssh. The old cluster used rsh and rlogin. I developed some
> nice scripts that allow me to do an emergency shutdown, reboot and other
> misc node maintenance with the execution of one command. SSH
> configuration for a user is trivial because /home is distributed
> throughout the cluster. I would like to still use my scripts (with some
> mods) to control the cluster but do not quite understand how to login as
> root (without a password) throughout the compute nodes via ssh because
> /root is present on each system.
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