The gang at howtoforge.com has posted another good guide. This one is a step-by-step for setting up a CentOS 4.6 based server for ISPs and Web hosters. LAMP, email, DNS, FTP and ISPConfig are all included.
If you use it, tell us about your experience. Or, if you have a Linux tutorial that you think might be helpful and would like to share it with our users, send us an email.