i need one help for installing nagios xi on RHEL 6 system.
I tried to install nagios xi 2012 & 2011 both version on this server but i am getting one error in the install.log as below
ERROR: unable to read system id.
Your Red Hat Installation is not registered or does not have proper entitlements.
Please register or enable entitlements at rhn.redhat.com.
Can anyone help me what should i do for this.