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 - How To Select A Download
Viewed 3746 times since Sun, Dec 21, 2014
Nagios XI - Crashed Database Tables
Viewed 22812 times since Tue, Jan 27, 2015
Nagios XI - How To Install On Windows Using vSphere
Viewed 1670 times since Wed, Jul 19, 2017
Nagios XI - How To Test Check Commands From The Command-line
Viewed 19081 times since Tue, Jan 26, 2016
Nagios XI - NSP: Sorry Dave, I can’t let you do that
Viewed 12445 times since Tue, Jan 27, 2015
Nagios XI - Empty Screen for Wizard, Component, Dashlet
Viewed 4095 times since Wed, Jan 27, 2016
Nagios XI - Scheduled Backup Log Level
Viewed 2141 times since Tue, Apr 18, 2017
Nagios XI - Hosts Pending/Gray
Viewed 5571 times since Tue, Jan 6, 2015
Nagios XI - Defining Global Environment Variables
Viewed 4816 times since Thu, Mar 17, 2016
Nagios Core - Failed to register iobroker
Viewed 1767 times since Wed, Sep 20, 2017