For what? Host your own website, blog, email server, security systems etc.

DynDNS will provide Dynamic DNS Free (DDNS) that allows you to create a hostname that points to your home or office IP address, providing an easy-to-remember URL for quick access. Setup guide available from Saif Khan.

Linksys modem/router need to be set up, so the domain can be routed to your server. Pain in the Tech shows you how.

MAMP stands for Macintosh, Apache, MySQL and PHP, local server environment for Mac OS X. Stooryduster shows you how to setup wordpress in local server.

In MAMP Pro this local server can be accessed from the internet, with the service provided by DynDNS. Here’s screenshot for setting in my case, server and hosts setting.

And voilà, http://margjakob.ath.cx:8888 is ready for the world. (my movies and tv log)

My system: MacBook white 2.2 GHz, Snow Leopard 10.6.2, WordPress 2.9.1

[my athcx]