postinst is in globus-gram-job-manager-pbs-setup-seg 2.5-2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #!/bin/sh
set -e
if [ "$1" = "configure" ]; then
   ldconfig
fi
if [ -x "/etc/init.d/globus-scheduler-event-generator" ]; then
	if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
		invoke-rc.d globus-scheduler-event-generator start pbs || :
	else
		/etc/init.d/globus-scheduler-event-generator start pbs || :
	fi
fi
 |