#!/bin/bash
#PBS -l select=.... etc

# Set up the required number of ssh-tunnels to the license server ports
ssh -f jblogs@chpclic1 -L *:1234:mylicenseserver.myorganisation.co.za:1234 -N
ssh -f jblogs@chpclic1 -L *:1235:mylicenseserver.myorganisation.co.za:1235 -N
# Set the appropriate license server environment variable.  
# Please RTFM of the software that you are using
export LM_LICENSE_FILE=1234@localhost
# Now run your code with the normal command line 
mpirun -np $nproc ......
# Finally take down each of your ssh tunnels again
kill -9 `ps ux | grep "ssh -f" |  grep -o -E '[0-9]+' | head -1 | sed -e 's/^0\+//' `
kill -9 `ps ux | grep "ssh -f" |  grep -o -E '[0-9]+' | head -1 | sed -e 's/^0\+//' `