Webmin is one of those tools that every admin should know backward and forward. It's powerful, reliable, gives you a central location for all server administration tools, and it's extendable. Plenty of modules are available to enhance your Webmin installation. Here are five that will help you take care of tasks that normally wouldn't have Web-based configuration options. Note: All but one of the links take you to the actual download of the module.
If you'd prefer to view this information as a blog post, check out this entry in our Five Apps blog.