Nagios Support Forum

I did a bit of checking and when a variable is removed using the BMT tool, it is removing the variable from the nagiosql database, not from the nagios database. When using the BMT tool, and the change is saved, and the Apply Configuration is ran, the variable is removed form the nagios_customvariabl...

To enable DNS host names in Nagios Network Analyzer. Go to the Administration > Global Settings menu. For the Resolve Hostnames in: section, check the boxes for the Reports and Queries Graphs and save the settings. That will display the Host Names that can be resolved in the web interface. Thank you.

Is the server running the latest version of XI? There was a fix added to the latest version for removing the Free Variables from the configurations. - Fixed bulk modifications issue when trying to remove Free Variables [TPS#15653] -JO If the server is not at the latest version, upgrade to XI version...

That perl module comes with the MRTG package so MRTG will have to be reinstalled. Make sure you backup the /etc/mrtg/mrtg.cfg file in case it is needed. Run the following as root to reinstall MRTG. cd /tmp rm -rf nagiosxi xi*.tar.gz wget https://assets.nagios.com/downloads/nagiosxi/5/xi-5.8.7.tar.gz...

Try this Login to XI and go to the Admin > Unconfigured Objects menu and see if the Trap is there. If so, configure it so the system will automatically receive the traps the next time it is received. If DNS is not setup, the trap would show up in the Unconfigured Objects as the IP address and if tha...

Your welcome, glad it is working again.

I will lock this post as solved but feel free to post in the future for any other issues or questions.

Thank you.

Thanks for the rrd file. I see that MRTG is not updating the data. I see that rrdcached was added to the server and it modified the mrtg.cfg file. Edit the /etc/mrtg/mrtg.cfg file and remove this line. LibAdd: /opt/rrdtool-1.4.4/lib/perl/5.16.3 Save the file. Make sure the rrdtool-perl package is st...

Let's run the plugin in verbose mode. Run this on the production server as the nagios user and post the output here. su - nagios /usr/local/nagios/libexec/check_rrdtraf -f /var/lib/mrtg/192.168.232.250_84.rrd -w 9.00,9.00 -c 9.90,9.90 -l G -vv Then get the rrd file from the /var/lib/mrtg folder and ...

You are monitoring a lot of devices and the MRTG process is not running quick enough to get all of the data from all of the devices and the following will allow more processes which will run quicker. Edit the /etc/mrtg/mrtg.cfg file and add change the following from Forks: 4 to Forks: 40 Save the ch...

There is an application called MRTG that gathers the bandwidth data that XI uses for the checks, if that application has an error, it will cause the issue you are having so we will need some information from the server. Can you run the following commands as root and post the the /tmp/mrtg.txt file o...