This article teaches you, the reader, how to configure a GNU/Linux based server with three of the most important services that must be provided in a company, at home, a lab or anywhere else, both for clients and internal usage: web, database, mail. So it will be assumed that the idea is to host websites that use certain technologies such as a scripting language and a database (for dynamic sites), and also to act as a mailing tool, for sending and receiving email.

GNU