Reference

http://www.coker.com.au/bonnie++/ The home page of bonnie, a disk benchmarking tool. It also contains a link to RAID benchmarking utilities and Postal, a benchmarking utility for SMTP servers.

http://httpd.apache.org/docs-2.0/misc/perf-tuning.html The official Apache guide to tuning your web server.

http://dev.mysql.com/doc/mysql/en/mysql-optimization.html Learn how to optimize your MySQL server direct from the source, the MySQL manual.

There is one particular MySQL optimization book that will really help you get more from your system if you run a large site, and that is High Performance MySQL by Jeremy Zawodny and Derek Balling (O'Reilly), ISBN: 0-596-00306-4.