The tool that we're going to use is called Reconstructor, which is a free webapp that lets you roll your own Ubuntu and Debian live CDs. The first step is to sign up for an account at Reconstructor.
I've got several VMs in a farm. 3 are running CentOS 7, were installed from ISO, and are running FreeIPA Server (they are replicating to each other). Two more VMs (I'll call them Alpha and Beta), are ...