What you need to know: 1. Familiar with linux text editors 2. Have a basic understanding of load balancing 3. Familiarity with Apache, MySQL, and rsync 4. The ability to create at least 4 virtual machines What does this set-up provide? This set-up will provide you with some very basic failover at the web servers by using a load balancer. Keep in mind I will not be discussing HA at the load balancer level so you will still have a single point of failure with this guide, as it is only intended to provide some fundamental knowledge on how to set-up a replicated and load balanced pair of web...

Lets first start off clarifying that this “How To” was done on CentOS based servers. In this example we will use the following two hosts: NISDOM-1: This will be this NIS Domain controller, and NFS mount point APPSERV-1: This server will be our “application server” Please note these hostnames, and examples are for tutorial purposes only. Your hostnames may differ. With that said lets get started. First we will install the appropriate packages for our NISDOM-1 server(NIS and NFS): yum -y install ypbind ypserv nfs-utils Once this has finished, you will need to make sure that all...