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• Parallel MPI jobs can require 2 "bkill" commands issued within 5 seconds
• If a job doesn't respond to the above, execute "bjobs -w" and find the name of the first node in the list.  Then execute "ssh <nodename> pkill --signal 9 -u <yourUserName>".  This will log you out of the node, since it also kills your current processeskill all your processes on the head node (typically bkill will take care of processes on any MPI slave nodes)..
• If the above doesn't work do "bkill -r <jobid>" where "jobid" can be seen with the "bjobs" command.  But use this only as a last resort, since it will leave old processes running on the batch nodes.

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