Nagios Support Forum

Hello Team,

After OS Patching , monitoring script not running in Nagios in our production system.
NRPE service is not starting. Please suggest.

Nagios host 10.89.13.25 ( application running here )
remote host 10.89.13.14

[root@a0110pcsgmon01 sbin]# /usr/local/nagios/libexec/check_nrpe -H 10.89.13.14
connect to address 10.89.13.14 port 5666: Connection refused
connect to host 10.89.13.14 port 5666: Connection refused[root@a0110pcsgmon01 sbin]#

[root@a0110pcsgmon01 sbin]# /usr/local/nagios/libexec/check_nrpe -H 10.89.13.25
NRPE v2.15

[root@a0110pcsgmon01 sbin]# traceroute -p 5666 10.89.13.14
traceroute to 10.89.13.14 (10.89.13.14), 30 hops max, 60 byte packets
1 a0110pcsgesb10 (10.89.13.14) 0.155 ms 0.099 ms 0.086 ms
[root@a0110pcsgmon01 sbin]#

[root@a0110pcsgmon01 sbin]# netstat -an |grep 5666
tcp6 0 0 :::5666 :::* LISTEN
[root@a0110pcsgmon01 sbin]#

[root@a0110pcsgmon01 sbin]# ps -ef | grep -i nrpe
root 8532 16843 0 18:56 pts/0 00:00:00 grep --color=auto -i nrpe
[root@a0110pcsgmon01 sbin]#

[root@a0110pcsgmon01 sbin]# more /etc/xinetd.d/nrpe
# default: on
# description: NRPE (Nagios Remote Plugin Executor)
service nrpe
{
flags = REUSE
socket_type = stream
port = 5666
wait = no
user = nagios
group = nagios
server = /usr/local/nagios/bin/nrpe
server_args = -c /usr/local/nagios/etc/nrpe.cfg --inetd
log_on_failure += USERID
disable = no
only_from = 127.0.0.1 ::1 10.89.13.25 10.89.13.14
}
[root@a0110pcsgmon01 sbin]#


From: Nagios server
[root@a0110pcsgmon01 sbin]# find / -name nrpe
/app/nrpe-2.15/package/solaris/pkg/nrpe
/app/nrpe-2.15/src/nrpe
find: ‘/proc/9246’: No such file or directory
find: ‘/proc/9247’: No such file or directory
/usr/local/nagios/bin/nrpe
/etc/rc.d/init.d/nrpe
/etc/xinetd.d/nrpe
[root@a0110pcsgmon01 sbin]#

From: remote server
[root@a0110pcsgesb10 ~]# find / -name nrpe
find: ‘/proc/17604’: No such file or directory
You have new mail in /var/spool/mail/root
[root@a0110pcsgesb10 ~]#


Thank you

Hi,

Thanks for contacting us.

After looking up your account, I do not find an active Nagios Core or XI license associated with your username. Please attach a system profile, so I can verify the license and review the system logs for you.

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Login to the Nagios XI GUI using a web browser.
Click the "Admin" > "System Profile" Menu
Click the "Download Profile" button

Best Regards,
Benjamin