How to Use Your Mac as a Server:
Turn your Mac Mini into a server! Yes, that's right, with a little know-how and a little spunk, you can turn an inexpensive Mac Mini computer into a server to provide services over you network. You won't even need the Mac OS X Server, just the Mac OS X Client, so there is no extra software to buy, just the Mac Mini and it's operating system.
This video tutorial from FreeMacBlog and MacMiniColo will show you how to install Wordpress on your computer for your Mac Mini server with MAMP. One of the most popular reasons to have a server these days is to run a blog on it. Using an install of Wordpress is one of the easiest ways to do this. This shows you how to install wordpress by using MAMP. It's very simple.