You can setup `passwordless` ssh access within your cluster... http://www.numbski.net/passwordless_ssh.html
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. > > Thanks! > Tim > > _______________________________________________ > Beowulf mailing list, [email protected] > To change your subscription (digest mode or unsubscribe) visit > http://www.beowulf.org/mailman/listinfo/beowulf _______________________________________________ Beowulf mailing list, [email protected] To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
