ISPConfig and SSL Certificates (CentOS 4.4)

Goal:
To use the same SSL certificate for your ISPConfig control panel on port 81, and on your web site running on port 80. (I’m writing this from memory, so if I’ve missed something, let me know.)
1. Do yourself a favor and perform a perfect setup of CentOS 4.4 and ISPConfig. When you’re running the ISPConfig [...]