[torqueusers] connect to specific nodes within a cluster

Jerry Smith jdsmit at sandia.gov
Tue Apr 28 08:29:36 MDT 2009



> Hello all,
> (I'm new to cluster usage)
>
> If I log into a torque cluster, e.g.:
>
>   
>> ssh -Y myusername at cluster.domain.org
>>     
>
> and this cluster has nodes with the names:
>
> cluster01.domain.org
> cluster02.domain.org
> ...
> clusternn.domain.org
>
> How could I, after I have logged in the cluster, to connect to a specific
> node to see the active processes in it? I would like to monitor specific
> processes (and probably kill them) within specific nodes. I've tried
> several options:
>
> [myusername at master00 ~]ssh -Y cluster01
> [myusername at master00 ~]ssh -Y myusername at cluster01
> [myusername at master00 ~]ssh -Y myusername at cluster01.domain.org
>
> without success. In all of them my password is required and my login
> password is not accepted.
>   
It all depends on how the security and access is setup for that specific 
cluster.  What is the access model, ssh,rsh etc,  Is it pam based, or 
/etc/security/access.conf?  Do they use ssh-keys?  Are these nodes 
allocated to a job of yours?


--Jerry
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