The Linux /proc virtual filesystem offers a window into a running system – look inside for information on processes and kernel activity.

Contrary to conventional wisdom, a command-line presentation app can be easy to use. Impressive does just that and gives you more flexibility to boot.

Whenever you really need documentation, it's almost always incomplete or outdated – or both. Sys admin columnist Charly K¸hnast recommends a radically different approach: the universal community documentation cheat.sh, which no Linux command and hardly any programming language should do without.

Pretty much any computer science lecture about graph theory covers the "Seven Bridges of Königsberg" problem. Mike Schilli puts a Python script to work on a solution, but finds that a new bridge must be built.

Communicate with your littleBits sensors and devices through Python programs.

Upribox 2.0 acts as a router and filters both trackers and ads, saving you the annoying task of manually hardening your web browser with countless add-ons.

An open hardware laptop that encourages hacking and repair while offering security and transparency – all for an affordable price.

This month in Linux Voice.

Published rates of "pirated" software give an indication of how much most countries lose by investing in proprietary licensing.

OpenAstro helps users determine the positions of stars and generate charts to use when creating horoscopes for friends, relatives, or celebrities.