• © Lead Image © donatas1205, 123RF.com

    You've Been Notified

    If you use sensors with a Raspberry Pi or Arduino in your home network, you may want to get desktop notifications on your Linux PC whenever some interesting event is detected. You can send messages via SSH or through simple TCP connections and display them with notify-send.

  • Trimming Down

    File bloat can happen to anyone. These simple tips will help you keep your systems lean and responsive.

  • Doghouse – Real Beowulf

    The prohibitive expense of early proprietary supercomputers is just part of why Linux has taken (and kept) the lead in this area.

  • © Lead Image © Galina Peshkova, 123RF.com

    Window of Opportunity

    Add graphics that automatically update. We show you how to build an analog clock widget with the Cairo and GTK libraries.

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