Nagios Support Forum

Full uninstall and reinstall solved the issue. oddly enough I had to wait a day before the re-install worked.
running it right away just game the last error.

-pete

I'm assuming the primary issue here is the upgrade of the client. The Nagios core version 3.2.1 was installed and running on this server. I probably screwed up removing the old client before I installed the new Nagios XI client. is there a list of file I need to remove so I can basically start over?...

Yes I followed all these steps. Everything except the wget. I have a copy of the install downloaded to a central repository. I do not see an un-install script. Do I just delete all the files in /usr/local/nagios? when I run the full install it thinks everything is fine. Do you want to continue? [Y/n...

how do I open the port? The firewall is off. I've restarted xinetd. I've even rebooted the server. is there something wrong with nrpe? Should I uninstall and re-install the nagios client? I'm not aware of a way to open a port. I thought all ports are open based on a service that needs that port. tho...

To help clarify...
the client server having the issue = 10.100.6.104
Nagios server = 10.100.6.186

nmap -p 5666-5667 10.100.6.104 Starting Nmap 5.51 ( http://nmap.org ) at 2014-05-16 04:51 CDT Nmap scan report for www.labels-wbmason.com (10.100.6.104) Host is up (0.0011s latency). PORT STATE SERVICE 5666/tcp closed nrpe 5667/tcp open unknown MAC Address: 00:1B:78:D0:3D:98 (Hewlett Packard) Nmap d...

nagios server is 10.100.6.186

This server was running Nagios core version 3.2.1. I uninstalled Nagios and installed Nagios xi client. I have done this successfully several times before. I have verified /usr/local/nagios/etc/nrpe.cfg allowed_hosts=127.0.0.1,10.100.6.186 dont_blame_nrpe=1 I have also verified /etc/xinetd.d/nrpe on...