Although we prototyped a recent application (CRIS Topics) using Ubuntu, our client only supports RedHat Enterprise Linux for production applications.  The attached document outlines the steps we took to install and run a built application on a virtual Linux server running VMWare on an HP blade server.setting-up-rails-hobo-oracle-applications-on-redhat-linux-v2

Thanks for Tola Awofolu for wrting this up!