We're running NRPE v4.0.2 on Rhel7 hosts. It's working but when I do "systemctl status nrpe" on the remote hosts, I get this:
[user@server ~]# systemctl status nrpe
● nrpe.service - Nagios Remote Plugin Executor
Loaded: loaded (/usr/lib/systemd/system/nrpe.service; enabled; vendor preset: disabled)
Active: active (running) since Mon 2020-09-28 09:41:08 EDT; 21min ago
Docs: http://www.nagios.org/documentation
Main PID: 128144 (nrpe)
CGroup: /system.slice/nrpe.service
└─128144 /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -f
Sep 28 09:41:08 server_name systemd[1]: Started Nagios Remote Plugin Executor.
Sep 28 09:41:08 server_name nrpe[128144]: Starting up daemon
Sep 28 09:41:08 server_name nrpe[128144]: Server listening on 0.0.0.0 port 5666.
Sep 28 09:41:08 server_name nrpe[128144]: socket: Address family not supported by protocol
Sep 28 09:41:08 server_name nrpe[128144]: Listening for connections on port 5666
Sep 28 09:41:08 server_name nrpe[128144]: Allowing connections from: 127.0.0.1,nagios_server_ip
My question is: what does socket: Address family not supported by protocol mean and how do I correct it?