Thank you lmiltchev
Nagios XI 5.2.3
[root@AXmonitor vmn]# ps -ef | head -1 && ps -ef | grep bin/[n]agios
UID PID PPID C STIME TTY TIME CMD
nagios 42558 1 0 08:12 ? 00:00:00 /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
nagios 42560 42558 0 08:12 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 42561 42558 0 08:12 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 42562 42558 0 08:12 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 42563 42558 0 08:12 ? 00:00:00 /usr/local/nagios/bin/nagios --worker /usr/local/nagios/var/rw/nagios.qh
nagios 42626 42558 0 08:12 ? 00:00:00 /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg
[root@AXmonitor vmn]# ls -lat /usr/local/nagios/etc/services | tail -20
-rw-rw-r-- 1 apache nagios 4051 Jun 24 04:28 Nagios Server.cfg
-rw-rw-r-- 1 apache nagios 5077 Jun 23 13:37 VSIAXSRV.cfg
-rw-rw-r-- 1 apache nagios 10106 Jun 22 11:29 PRODSQL01.cfg
-rw-rw-r-- 1 apache nagios 6328 Jun 22 10:48 vrwesaz01.cfg
-rw-rw-r-- 1 apache nagios 10137 Jun 22 09:02 PRODSQL02.cfg
-rw-rw-r-- 1 apache nagios 1374 Jun 22 03:23 PRODSQL01_copy_1_copy_1.cfg
-rw-rw-r-- 1 apache nagios 4263 Jun 17 10:21 PRODRETAIL02.cfg
-rw-rw-r-- 1 apache nagios 7218 Jun 17 10:11 PRODAX03.cfg
-rw-rw-r-- 1 apache nagios 8531 Jun 17 08:37 PRODeCOM01.cfg
-rw-rw-r-- 1 apache nagios 1229 Jun 16 04:59 KSA-Retail-Store.cfg
-rw-rw-r-- 1 apache nagios 1303 Jun 16 04:46
http://www.billskhakis.com.cfg
-rw-rw-r-- 1 apache nagios 4259 Jun 16 01:32 JoieAzureDC01.cfg
-rw-rw-r-- 1 apache nagios 6339 May 2 11:55 29WEB02.cfg
-rw-rw-r-- 1 apache nagios 6339 May 2 11:47 29WEB01.cfg
-rw-rw-r-- 1 apache nagios 4343 Mar 8 13:24
http://www.kuiu.com.cfg
-rw-rw-r-- 1 apache nagios 3152 Mar 8 07:35
http://www.dooney.com.cfg
-rw-rw-r-- 1 apache nagios 1800 Feb 11 12:58 166.78.23.233.cfg
-rw-rw-r-- 1 apache nagios 1825 Feb 11 10:51 166.78.22.110.cfg
-rw-rw-r-- 1 apache nagios 5269 Feb 9 14:29 29SQL02.cfg
-rw-rw-r-- 1 apache nagios 5269 Feb 9 14:26 29SQL01.cfg