Trial Nagios - How to bypass redhat system subscription

[rauphel]

hi,
Need some help here. I am trying to install Nagios but unfortunately encountering the error below.
Any feedback to resolve below will be appreciated. Is there possibility to skip the redhat system subscription and proceed to install ?

Nagios XI Installation Log
==========================
DATE: Wed Oct 24 11:42:50 MYT 2018

DISTRO INFO:
RedHatEnterpriseServer
7.2
x86_64

THIS IS A NEW INSTALL!

INSTALLING:
full=5.5.5
major=5
minor=5.5
releasedate=2018-10-11
release=5505

Configuring Repos...
Passed New Subscription Check
package centos-release is not installed
Unable to locate SystemId file. Is this system registered?
ERROR: Please add the 'Optional' channel to your Red Hat systems subscriptions.
You can do so in the Redhat Network web interface or using the rhn-channel command.
or, install the yum-utils package and use the following command:
yum-config-manager --enable rhel-7-server-optional-rpms

[scottwilkerson]

To install on RHEL you need to enable the optional channel

Code: Select all

yum-config-manager --enable rhel-7-server-optional-rpms