Not much to tell …
root@prox2:~# ps aux |grep nrpe nagios 15071 0.0 0.0 25284 648 ? Ss Mar27 0:36 /usr/sbin/nrpe -c /etc/nagios/nrpe.cfg -d root 438172 0.0 0.0 7796 948 pts/4 S+ 14:16 0:00 grep nrpe nagios 874676 0.0 0.0 25284 1148 ? Ss Apr01 0:08 /usr/sbin/nrpe -c /etc/nagios/nrpe.cfg -d root@prox2:~# cat /proc/874676/status | grep envID envID: 0 root@prox2:~# cat /proc/15071/status | grep envID envID: 143