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Old 08-10-2004, 03:48 AM   #1
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Registered: Sep 2003
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How to make an account across different nodes in a cluster

I am trying to make an account with the same userid and the same group id across different nodes on the cluster. How can i make them using a script or shell command so that i dont have to manually make them. remember that i have no passwordless ssh or rsh for the root
Old 08-11-2004, 01:37 AM   #2
Registered: Mar 2003
Distribution: Debian
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How do you get root now? I would use pulic key authentication for ssh. seems to be a good howto.

ssh-add; for h in host1 host2 host3; do ssh root@$h useradd -u 900 -g 900 username; done

Or, you could get the machines to use LDAP for user authentication/management.

Good Luck,
Old 08-26-2004, 04:39 PM   #3
Registered: Sep 2003
Location: Calgary, Canada
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Is this so you can do things across the nodes simultaneously, like run an MPI program? On my cluster I NFS export /home/damien from the head node and mount it as /home/damien on the slave nodes. Then the ssh authorized_keys file is automatically available as well and you're off to the races.



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