Installing a high availability web server cluster on Ubuntu 12.04 LTS using HAProxy, HeartBeat and Nginx

Here are a few notes about how to set-up a high-availability web server farm using Ubuntu 12.04 LTS using a whole load of awesome software (HAProxy, HeartBeat, Watchdog and Nginx) The setup In my setup I have five virtual machines, these are named and used for the following:- haproxy1 – Our first proxy (master)/load-balancer (running HAProxy, HeartBeat …