The video below will walk through the process of setting up and installing Prosody, a lightweight Lua-based instant messaging server application. We’ll be using Ubuntu 12.04 for our server, though Prosody is a cross-platform application and will run on Windows, OS X, and a number of different Linuxes. Strap in, grab your server, and let’s roll!

via How to set up your own private instant messaging server | Ars Technica.