• Pi FM Radio

    Low-cost RTL-SDR dongles can read frequencies between 24 and 1,766MHz. We built a simple FM radio with a Raspberry Pi, a USB dongle based on the RTL2832U chipset, an LCD HAT, and some Python code.

  • In the Can

    A screencast shows what happens on the desktop. Peek lets you create screencasts in the blink of an eye and export them to popular formats.

  • Melt

    Whether you are an expert or a beginner, you can learn to edit audio and video clips at the command line with Melt.

  • maddog's Doghouse

    Take some advice from Linus Torvalds and learn how to program an FPGA.

News and Articles

  • Small Wonders

    The Guetzli image optimizer by Google developers produces smaller images than JPEG while maintaining the same quality, but it requires a powerful computer with a large working memory.

  • Back to the Future

    Ubuntu is back to the first letter of the alphabet – and back to the Gnome desktop. But you'll also find lots of new stuff in the latest release.

  • Charly's Column – Smorgasbord

    Sys admin columnist Charly Kühnast has an electronic note box in which he collects ideas and small snippets of code. He calls it his "quarry" and is taking this opportunity to offer up some collectors' items to regular readers.

  • Restricted Zone

    Setting up a comprehensive firewall with netfilter and iptables is complicated. Graphic user interfaces seek to take the worries out of this demanding task.

  • Programming Snapshot – Neural Networks

    The well-known Monty Hall game show problem can be a rewarding maiden voyage for prospective statisticians. But is it possible to teach a neural network to choose between goats and cars with a few practice sessions?

  • Docker Talk – Docker swarms the Kubernetes community

    At this year's DockerCon Europe, Docker announced that it is officially supporting the Google-sponsored Kubernetes ochestration engine – an unexpected development that surprised many observers.

  • Fox Hunt

    As a countermeasure to predators of rare ground-breeding birds, live traps are monitored by a microcontroller and a Raspberry Pi.

  • On the DVD

    Linux Mint 18.3 Cinnamon (64-bit) and Ubuntu Mate 17.10 (32-bit)

  • Doghouse – Subutai

    Your own personal cloud.

  • Prepare to Jump

    LibreOffice 5.4 is the last major release before the big jump to version 6. In addition to a number of updates, you can now sign Writer documents with OpenPGP.

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Issue 207/2018

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