Nagios Support Forum

/usr/local/nagios/libexec/check_nrpe -H 127.0.0.1
connect to address 127.0.0.1 port 5666: Connection refused
connect to host 127.0.0.1 port 5666: Connection refused

Even though no firewall rules are set on my ubuntu server. I even went ahead and sudo ufw allow 5666/tcp but still no luck.
Help please

From linux-nrpe-agent directory run: ls -l And post the result. ls -l total 56 -rwxrwxrwx 1 root root 2409 Jun 23 2016 0-repos -rwxrwxrwx 1 root root 1086 Jan 5 2015 1-prereqs -rwxrwxrwx 1 root root 1340 Jan 5 2015 2-usersgroups -rwxrwxrwx 1 root root 458 Jan 5 2015 3-services -rwxrwxrwx 1 root roo...

There is no performance difference between "standalone" and "xinetd". Either way nrpe runs as a listener service. The benefit of the xinetd method is that you can install by the ./fullinstall script which will take care of installing dependencies and configuration steps. Install...

At this point, the best course of action would be for you to go back through the installation being sure to complete all steps and let us know tomorrow if nrpe installs and runs correctly. Thank you. I have about 50 remote linux (rhel7) host to configure. Which configuration is more efficient stand...

bolson wrote:

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yum -y install telnet
telnet localhost 5666

telnet localhost 5666
Trying ::1...
Connected to localhost.
Escape character is '^]'.
Connection closed by foreign host.

bolson wrote:On the host to be monitored, run:

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service xinetd restart
telnet localhost 5666

What do you see?

service xinetd restart
Redirecting to /bin/systemctl restart xinetd.service

telnet localhost 5666
-bash: telnet: command not found

NRPE is not running. Please copy and paste the contents of /etc/xinetd.d/nrpe Thank you. I just notice the /etc/xinetd.d/nrpe does not exist on the Nagios monitoring server. The one i poster was from the client. sorry about the confusion. Nagios server ip (10.41.12.30): cat /etc/xinetd.d/nrpe cat: ...

cat /etc/xinetd.d/nrpe # default: off # description: NRPE (Nagios Remote Plugin Executor) service nrpe { disable = yes 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 only_from = 127.0...

/etc/xinetd.d/nrpe does not exsist on the Nagios server

telnet localhost 5666 Trying ::1... telnet: connect to address ::1: Connection refused Trying 127.0.0.1... telnet: connect to address 127.0.0.1: Connection refused /usr/local/nagios/libexec/check_nrpe -H host_name -c check_mem '-a -w 20 -c 10' CHECK_NRPE: Error - Could not connect to host_name: Conn...