Beyond flashing web emoticons, animated gif images can present trends that catch your eye in system monitoring.

The Byobu session manager extends the shell, adding a range of useful functions, such as splitting the screen, running programs in the background, or organizing programs in tabs. In particular, administrators who rely on SSH will appreciate Byobu.

The graphical tool QPS frees admins from Kafkaesque ambiguities about the cause, history, and side effects of running processes. Depending on the view, either clarity or detailed information dominate the scene.

When it comes to daily tasks such as monitoring network traffic, administrators should choose a tool that is sufficiently functional and not too complicated.

To celebrate 10 years of his column, Charly sets up a sensitive detector that measures the cosmic background radiation of the Internet.

If you've been forced to deliver Linux magazines to pay for your last electric bill, we’ll help you discover why, assuming you have a state-of-the-art electricity meter.