[torqueusers] ssh problems

Dave Jackson jacksond at clusterresources.com
Wed Oct 19 10:01:54 MDT 2005


  Would you be willing to write about 2+ paragraphs on best practices
for setting up scp for TORQUE which we could put in the online TORQUE
docs?  I know, if we had the WIKI in place like we promised, we wouldn't
have to ask! :)  We're trying!


On Wed, 2005-10-19 at 11:17 -0400, Daniel Widyono wrote:
> > >I'm having problem with ssh passwordless authentication. I have 16
> > >machines controlled by torque/maui, and I have setup hostbased
> > >authentication amongst them, so no password is required when ssh from
> > We use user-based ssh passwordless connections. Users generate key pairs 
> > with ssh-keygen, and use empty passphrases. id_rsa.pub is then copied as 
> > authorized_keys in .ssh
> > 
> > This tip works fine with Torque/MAUI.
> We do the same, also with Torque/Maui.  We are looking into migrating to
> hostbased if possible but haven't had time to try it out yet.  I just know
> that simply asking for hostbased authentication in ssh_config yields problems
> (which tells me something else needs to be set up).  I also don't want to do
> it until I've set up all the security controls (ignoring user-based .shosts
> and .rhosts files, etc.).
> Tip: we use id_rsa_pbs.pub so as not to interfere with users who have their
> own ssh keys set up (for external connections).  ssh config says "for all
> node* connections, use id_rsa_pbs key".
> Dan W.
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