Started in 2003, Virtualmin is a powerful and flexible web hosting control panel for Linux and BSD systems. It enhances Webmin (started in 1997), which is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, email accounts, Apache, DNS, file sharing and much more. Virtualmin is a key component of WikiSuite.

The WikiSuite install script uses Virtualmin as explained here: