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 - ERROR: unable to open include file: /etc/mrtg/conf.d/xxxxxxx.cfg
Viewed 584 times since Wed, Jun 1, 2016
Nagios XI - License Entitlements
Viewed 878 times since Mon, Jan 25, 2016
Nagios XI - System Requirements
Viewed 4439 times since Sun, Dec 21, 2014
Nagios XI - How To Use CA Certificates With check_ldaps Plugin
Viewed 531 times since Tue, Jul 26, 2016
Nagios XI - Scheduled Backup Log Level
Viewed 348 times since Tue, Apr 18, 2017
NRPE - Agent and Plugin Explained
Viewed 5042 times since Fri, Jul 14, 2017
Nagios XI - WMI Authentication Problems
Viewed 666 times since Thu, Feb 25, 2016
Nagios XI - Migrate Performance Data
Viewed 646 times since Tue, Jan 26, 2016
Nagios XI - Resetting The nagiosadmin Password
Viewed 2251 times since Mon, Jan 25, 2016
Nagios XI - mysql_error out of range value for column
Viewed 325 times since Tue, Aug 14, 2018