[GE users] qsh and qlogin setup

Iain Milne imilne at scri.ac.uk
Mon Sep 3 09:39:18 BST 2007

Hi all,

We have a small cluster running SGE that we recently tweaked to get it
working with qsh and qlogin. Although, this worked, the process I used
doesn't scale well to a cluster with lots of nodes, so I'm looking for
advice on how to streamline...

I first ran: qconf -mconf and added the following lines to change the
telnet/rlogin options to ssh:

 rsh_daemon                   /usr/sbin/sshd -i
 rlogin_daemon                /usr/sbin/sshd -i
 rsh_command                  /usr/bin/ssh
 rlogin_command               /usr/bin/ssh
 qlogin_daemon                /usr/sbin/sshd -i
 qlogin_command               /usr/nfs/sge_root/qlogin_wrapper

/usr/nfs/sge_root/qlogin_wrapper contains:

 /usr/bin/ssh -X -p $PORT $HOST

All fine so far, however, I then discovered that each node already
contained entries for:
 qlogin_daemon                /usr/sbin/in.telnetd
 rlogin_daemon                /usr/sbin/in.rlogind

The only way I could remove these entries was to manually run:
 qconf -mconf <nodename>
and delete the two lines. And again and again for each node we had.

This was just about bearable for our small 21 node cluster, but we're
about to tackle the same job on a 80+ node cluster.

I'm sure there's a faster way? Help me find it please :-)


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