If you're curious about running your own website, broadcasting your tunes to your friends or create your own file-storage system, you're going to need some hardware first. This guide from Webmonkey will help you build a machine you can use to become the master of your own digital domain.
If you've ever tried to edit a file stored on a Unix or Linux server, you've probably seen a user permissions message -- usually an error. User permissions are a necessary roadblock on any file server, but dealing with them doesn't have to be a pain. Webmonkey demystifies those puzzling permissions.