http://www-unix.mcs.anl.gov/openpbs/
Brian
On Nov 22, 2003, at 6:54 AM, Jeff Squyres wrote:
Note that LAM/MPI 7.x uses PBS's native job-launching mechanism (named
"TM") for starting parallel jobs -- not rsh/ssh. Hence, I *think* that if
you set everyone's shell to /bin/false on the compute nodes (not root, of
course!), LAM will still function properly.
I say this with the strong disclaimer that I have not tested this. Could
you give it a whirl with a user or two and see if it works for you?
On Thu, 20 Nov 2003, Bernard Li wrote:
I think it is important to educate the users that if they are running jobs outside of the batch system, it is going to hurt themselves since it slows down the efficiency of the system. Once you pound that into their head, hopefully they'll be wise enough NOT to do that.
I suppose what you could do is to run some cron jobs on the nodes to kill off shells (depending on what system you use), but I am not 100% certain whether users will spawn shells to run jobs if they are distributed through the batch system.
This is an interesting topic though, for sure :)
Frank Crawford wrote:
Folks,
Does any one know or have some pointers to any simple methods to stop
cluster users logging into the compute nodes? I want to restrict our
cluster users to submit all the work to the cluster via PBS.
-- {+} Jeff Squyres {+} [EMAIL PROTECTED] {+} http://www.lam-mpi.org/
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-- Brian Barrett LAM/MPI developer and all around nice guy Have a LAM/MPI day: http://www.lam-mpi.org/
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