$ ./process.pl Checking mysql ps: Process environment requires procfs(5) 65842 p3 S+ 0:00.00 sh -c ps -e | grep mysql 65844 p3 S+ 0:00.00 grep mysql Checking sshd ps: Process environment requires procfs(5) 65845 p3 S+ 0:00.00 sh -c ps -e | grep sshd 65847 p3 S+ 0:00.00 grep sshd Checking proftps ps: Process environment requires procfs(5) 65848 p3 S+ 0:00.00 sh -c ps -e | grep proftps 65850 p3 S+ 0:00.00 grep proftps Checking rtorrent ps: Process environment requires procfs(5) 65851 p3 S+ 0:00.00 sh -c ps -e | grep rtorrent 65853 p3 S+ 0:00.00 grep rtorrent mysql -> UP sshd -> UP proftps -> UP rtorrent -> UP$