On any list of lightweight Linux window managers, you’ll find Fluxbox. Originally a fork of Blackbox, Flux is well known as a fast, light, highly configurable desktop. Unfortunately, Fluxbox’s emphasis on text files for nearly all configuration often acts as a roadblock for those first trying it out. There is a GUI which provides some of the basic config options, but the bulk of it (menus, colors, keybindings) is found in text files. In this article, we’ll go over most of Fluxbox’s config files and how to tweak them to your needs.