Nagios Support Forum

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yum install nagios-plugins-all

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netstat -anp |grep 5666
ps -ef |grep nrpe
find / -name check_disk

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# netstat -anp | grep 5666
tcp        0      0 0.0.0.0:5666            0.0.0.0:*               LISTEN      6948/nrpe           
tcp6       0      0 :::5666   

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ps -ef |grep nrpe
nrpe      6948     1  0 21:21 ?        00:00:00 /usr/sbin/nrpe -c /etc/nagios/nrpe.cfg -f
root     13857  2821  0 23:00 pts/0    00:00:00 grep --color=auto nrpe

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[root@cccccccc ~]# find / -name check_disk
[root@ccccccccc ~]# 

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# systemctl status nrpe.service
â—ڈ nrpe.service - Nagios Remote Program Executor
   Loaded: loaded (/usr/lib/systemd/system/nrpe.service; enabled; vendor preset: disabled)
   Active: active (running) since Fri 2019-10-11 21:21:25 EEST; 1h 40min ago
     Docs: http://www.nagios.org/documentation
  Process: 6946 ExecStopPost=/bin/rm -f /var/run/nrpe/nrpe.pid (code=exited, status=0/SUCCESS)
 Main PID: 6948 (nrpe)
    Tasks: 1
   CGroup: /system.slice/nrpe.service
           └─6948 /usr/sbin/nrpe -c /etc/nagios/nrpe.cfg -f

Oct 11 21:21:25 ccccccccc systemd[1]: Started Nagios Remote Program Executor.
Oct 11 21:21:25 cccccccc nrpe[6948]: Starting up daemon
Oct 11 21:21:25 ccccccccccc nrpe[6948]: Server listening on 0.0.0.0 port 5666.
Oct 11 21:21:25 ccccccccccc nrpe[6948]: Server listening on :: port 5666.
Oct 11 21:21:25 ccccccccccc nrpe[6948]: Listening for connections on port 5666
Oct 11 21:21:25 ccccccccccc nrpe[6948]: Allowing connections from: 127.0.0.1, 10.1.23.222
[root@ccccccccc ~]# systemctl restart nrpe.service
 

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 yum install nagios-plugins-all
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager
This system is registered with an entitlement server, but is not receiving updates. You can use subscription-manager to assign subscriptions.
hpe                                                                                                                                                                          | 2.9 kB  00:00:00     
No package nagios-plugins-all available.
Error: Nothing to do

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yum remove nrpe