Also, from release 2.4 to 2.5 the only packages that Dag has re-spun are nagios and ~] yum update nagios nagios-plugins nagios-devel nagios-plugins-nrpe

As always, it's best to backup any previous configurations before upgrading just in case something goes awry. If you're upgrading from version 2.4 (and previous 2.x version), and you've installed following this guide then a simple yum upgrade will work just fine. Secondly, always read the release notes to make sure configuration files and directives haven't change.Ī quick note about upgrading. Just to be on the cautious side, backup your configuration files in /etc before upgrading. Generally, upgrading is as simple as typing yum update package_name. CentOS 4.x/5x (Should work for any RHEL/Fedora flavor.)Ī quick note about upgrading.That's how notifications will get sent, and that's beyond the scope of this. This also assumes you already have a working e-mail server in your existing network as well. Please see the third-party Repositories section of the CentOS wiki in you don't already know how to enable repos. Again, documentation for this is readily available. I'll be explaining installation through RPMs and yum from Dag's repo (RPMforge), but source is available if you prefer to build your own. For that, documentation is readily available from the Nagios website, or available locally after Nagios is installed. This will not touch in detail on the actual configuration directives Nagios uses. This document will breeze through installing and configuring everything necessary to get Nagios up and running. Supplemented: It needs a re-write out of the conversational style Note added : This piece seems to be abandoned, is unmaintained, and refers to only one of the nagios versions in circulation.

How to install nagvis on centos 7