On Sun, 6 May 2007, Kilian CAVALOTTI wrote: > Not that ugly, actually. But what if users do a > ssh node -t "bash --noprofile"? ;)
Then if any of the 500 odd tried we would spot them with some other scripts and chase them about it. We've not had to do that yet, though, fortunately! > To handle of SSH based MPI launchers, we've disabled user logins from our > frontend node to the compute nodes, but allowed them between compute > nodes. So that the scheduler takes care of dispatching the initial process > on a first node (no SSH involved), and then SSH connections can be used to > dispatch the MPI daemons on the other nodes, from the initial one. Now that there's the Torque PAM module (pam_pbssimpleauth) that Garrick wrote I'm tempted to set that up, but given our current system works I haven't dared break it. :-) cheers! Chris -- Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager Victorian Partnership for Advanced Computing http://www.vpac.org/ Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia _______________________________________________ Beowulf mailing list, [email protected] To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
