Empty passwords vs ssh-agent?

John Harrop johnh at sjgeophysics.com
Fri Jul 18 15:04:52 EDT 2003

I'm currently switching our system from using r-commands to ssh.  We
have a fairly small system with 27 nodes.  The only two options I can
see with ssh are empty passwords and ssh-agent.  The first looks like it
isn't much better for security than r commands.  (We do have ssh with
passwords and known hosts on a portal machine.)  Using ssh-agent on a
cluster looks like a potentially big hassle.  Or am I mistaken about the
last impression?  After all, we have nodes that are almost hitting up
time of 400 days so ssh-add would only have been run once for each
cluster user.

What are people using as the clusters get bigger?

Thanks is advance for your comments and thought!


John Harrop

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