• Sail Away

    With Node-RED, you can create a web dashboard that instructs a Raspberry Pi to set the rudder position on a toy sailboat.

  • Deflated

    Data compression costs virtually no computing power today. Why not save some space by putting data compression techniques to work on RAM and cache memory?

  • Spy Patrol

    The Firefox browser is not so private under its default settings, but several add-ons and configuration settings will help you keep the spies in the dark.

  • Tutorials – ODF Metadata

    It is no secret that the native file format of LibreOffice and OpenOffice, the OpenDocument Format (ODF), is a truly open standard for word processing documents, spreadsheets, and presentations. What most people do not know is that ODF files contain lots of metadata that is very easy to read or modify.

News and Articles

  • Workarounds for Exporting to EPUB

    With a little workaround knowledge and Calibre, you can get the most out of LibreOffice’s EPUB export function.

  • Open Hardware – Challenges

    Changes in funding, manufacturing, and technology have helped move open hardware from an idea to reality.

  • Keyboard Buddies

    The best way to save money on software development is to get it right the first time. Pair programming, an agile technique, saves development costs by putting two coders to work on the same code. Visual Studio Code and tmate bring the promise of pair programming to remote workers.

  • TreeTime

    Mind maps are designed to help display processes and projects clearly in a graphical format. This review explores the design possibilities offered by five mind map programs.

  • One After the Other

    If you expect more from a file manager than the ability to move files from A to B, Polo might be for you.

  • News

    A new business model for open source projects, Linux Mint Debian edition 3 released, Zorin OS 12.4 released, and Debian celebrates its birthday.

  • Hacker-Powered Security

    Mårten Mickos is one of the most respected members of the open source world. The former CEO of MySQL AB during its prime now serves as the CEO of HackerOne, a vulnerability coordination and bug bounty platform. I sat down with Mickos to understand HackerOne's purpose and his perspective on the security of open source software.

  • On the DVD

    Knoppix 8.2 and Nitrux 1.0.15

  • Charly's Column – grepcidr

    Often it is the very simple tools that, when used appropriately, lead to the greatest success. This time, sys admin columnist Charly employs an IP address filter to count the devices in his home and trip up spammers to boot.

  • Tutorials – Attachment Extraction

    If your inbox is full of email messages with important attachments, retrieving those attachments manually can be a tedious task. The script presented in this article does this task automatically and can even save the email as a plain text file.

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