need help with Mod_remoteip

Hello everyone
I am New user of Webmin and so far have loved the simplicity and performance of webmin/virtualmin. I need small help in configuring mod remoteIp with apache 2.4. I am not an expert Unix guy and there is almost no documentation available for installation and configuration. If anyone can point me to step by step guide to install it that wil be a great help.

Nevermind I found an alternative in mod_cloudflare. since I was using cloudflare at front so it did just great.
here is step to install it :