If you are looking for Glassfish 3.1 Cluster installation then go here: Installing a Glassfish 3.1 Cluster on Debian 6.0 only from command line In the last days I tried to install and configure a Glassfish and a Liferay cluster for a client. From what I see in Internet is a lot of “old” documentation for Glassfish / Liferay clustering and nothing related to latest versions of Glasfish / Liferay (glassfish v2ur2 and Liferay 5.1.1), and I know this documentation also will become old in some months . So ...