Home » Categories » Multiple Categories

Enabling Oracle Linux Optional Repository

Problem Description

When you attempt to install or upgrade one of the Nagios products you receive the following error:

ERROR: Please enable the 'Optional' repo for your system in:


Resolving The Problem

You need to add the Optional repository so that Nagios XI can install the necessary prerequisites using the commands below:

yum install -y yum-utils
yum-config-manager --enable ol7_optional_latest


That's it! You should be able to run the installer again and complete your installation.



Final Thoughts

For any support related questions please visit the Nagios Support Forums at:


0 (0)
Article Rating (No Votes)
Rate this article
  • Icon PDFExport to PDF
  • Icon MS-WordExport to MS Word
Attachments Attachments
There are no attachments for this article.
Related Articles RSS Feed
Nagios XI - Notification Problems
Viewed 4267 times since Tue, Jan 27, 2015
Nagios XI - Core 4 Load Spikes on 1.75 and 7 Hour Intervals
Viewed 808 times since Mon, Jan 25, 2016
Nagios XI - Scheduled Reports Not Running
Viewed 929 times since Thu, Aug 10, 2017
Nagios XI - Bandwidth Graphs Showing 0Mb/s in Non-English Systems
Viewed 1483 times since Fri, Dec 19, 2014
Nagios XI - HTTP 500 Error / PHP Parse error - Unexpected $end
Viewed 890 times since Mon, Jan 25, 2016
Nagios XI - Oracle Services Critical After Nagios XI Upgrade
Viewed 926 times since Wed, Jan 27, 2016
Nagios XI - Problems Using Nagios XI With Proxies
Viewed 2976 times since Mon, Jan 25, 2016
Nagios XI - Hardware Requirements
Viewed 6379 times since Sun, Dec 21, 2014
Nagios XI - How To Select A Download
Viewed 969 times since Sun, Dec 21, 2014
Nagios XI - How To Use CA Certificates With check_ldaps Plugin
Viewed 1547 times since Tue, Jul 26, 2016