<?php exec("ps aux | grep -i '/usr/sbin/smbd -D' | grep -v grep", $pids); if(empty($pids)) { print "Filserver; Offline\n"; } else { print "Filserver; Online\n"; unset($pids); } ?>

<?php exec("ps aux | grep -i 'openvpn' | grep -v grep", $pids); if(empty($pids)) { print "OpenVPN; Offline\n"; } else { print "OpenVPN; Online\n"; unset($pids); } ?>