Add-On Domains, Parked Domains and Sub-Domains

Once you have a website up and running, you may want to launch other websites. The default way to do it is to register new domain names and open new hosting accounts. However, opening new hosting accounts can be expensive, especially if you still have plenty of free space and bandwidth available in your original account. Fortunately, it is possible to share the web space…

Xinetd

Xinetd is a replacement for inetd, which was the original Unix super-daemon used to start network services on demand. The reason for inetd goes back to days of low memory and poor memory management: you didn't want to keep a service running in memory if it was infrequently used. One process (inetd) would listen for connections on appropriate ports, and fire off the appropriate service…

Inherent Value Testing

Is your web site chartered with encouraging people to buy or use your product or service? Is it succeeding? It turns out there is a simple usability testing technique that can help you measure how your site communicates your product's inherent value.

Autoresponder Basics

What is an autoresponder? An autoresponder is simply an automated email program that responds to an incoming email automatically, with a pre-written message.