Issue #214 / Sep 2018

The CYA script helps you back up system files, which you can then restore quickly in case of an emergency.

You can do more with the Bash history command than just using the arrow keys. We show you how to use this command-line tool more efficiently.

The pleasure of owning a nice domain like sensorenresidenz.de is clouded by the requirement of an X.509 certificate for every subdomain that the admin wants or has. Columnist Charly can help boost the webmaster's spirits.

It is not just Facebook – every Linux user can extract faces from photos and assign them to real people, thanks to free libraries. Mike Schilli shows you how to do it.

The JavaScript frameworks React Native and NativeScript build a bridge between web app development and native app development. We look at the advantages of these native frameworks against the background of the classic app framework Meteor.

Whether you are building your own device or customizing one, Arduino technology often functions as the foundation for your open hardware project. Here's how to get started with Arduino products.

Beekeepers can get to know their colonies better without continuously disturbing the industrious insects. Using a Raspberry Pi and various sensors, two hobby beekeepers monitor the temperature and humidity of their hives, with plans to monitor their weight.

Some science experiments require massive amounts of computer analysis. Does that mean you need a massive computer just to crunch the numbers?

Adopting FOSS firmware can keep your hardware out of the landfill.

Ncdu adds some GUI-like features to the classic du command.