Setting up a highly available (load balanced) cluster, using open source and Linux

Hi all,

Here you have a super nice how-to, explaining how to setup your own highly available, load balanced, computing cluster, using only open source and Linux:

http://www.howtoforge.com/high_availability_loadbalanced_apache_cluster

Impressive what you can do with a few computers and the right knowledge!! A really astounding document was written back in 2006 by the creator of HAProxy,  Willy Tarreau, analyzing different load balancing strategies:

http://www.exceliance.fr/sites/default/files/biblio/art-2006-making_applications_scalable_with_lb.pdf

Enjoy!