The Perfect Load-Balanced & High-Availability Web Cluster With 2 Servers Running Xen On Ubuntu...

The Perfect Load-Balanced & High-Availability Web Cluster With 2 Servers Running Xen On Ubuntu 8.04 Hardy Heron Introduction This is a copy paste from my site: blogama.org In this howto we will build a load-balanced and high-availability web cluster on 2 real servers with Xen, hearbeat and ldirectord. The cluster will do http, mail, DNS, MySQL database and will be completely monitored. This is currently used on a production server with a couple of websites. The goal of this tutorial is to achieve load balancing & high availability with as few real servers as possible and of course, with open-source software. More servers means more hardware & hosting cost. Most of the information you will find here has been copy / pasted from a dozen howtos, many of them from howtoforge.com, but some important details have been modified to... [read full story]