[GE users] [slightly OT] disallow node login

fx d.love at liverpool.ac.uk
Tue May 25 16:39:51 BST 2010


reuti <reuti at staff.uni-marburg.de> writes:

> my usual approach is to completely forbid logging into the nodes with
> a plain ssh/rsh. Instead all users are forced to use a special
> interactive queue with h_cpu=60 by qrsh.

Unfortunately it's incompatible with exclusive scheduling, as we have.
Presumably even low-cpu time sessions could introduce significant jitter
for someone else's MPI jobs too.

-- 
Dave Love
Advanced Research Computing, Computing Services, University of Liverpool
AKA fx at gnu.org

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