If your Linux servers or desktops are experiencing networking issues, you might want to view your DNS cache. Jack Wallen shows you how with a systemd-resolved-based distribution.

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Jack Wallen shows you how easy it is to repair the GRUB2 boot loader in Linux.

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If you're not sure how to view your SSH certificates, Jack Wallen walks you through the steps on Linux, macOS, and Windows.

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The Pico is the first microcontroller board from Raspberry Pi and has been built around the new, custom RP2040 chip.

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Jack Wallen kicks the tires of Linux Mint 20.1 and comes away astonished at what the developers have accomplished.

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Jack Wallen shows you how to administer your Nextcloud installation from the command line.

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Leaders say removing the financial barrier to professional training can open up the tech world to a more diverse workforce.

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If you're not using Categories with your WordPress sites, you should be. Jack Wallen shows you how to associate Pages to Categories in the new WordPress editor.

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Survey of 15,000 developers and HR managers reveals JavaScript, Java and Python as the most sought-after languages, while knowledge of React, Node.js and .NET Core are also in high demand.

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If you have trouble with SSH connections breaking, Jack Wallen shows you how you can enjoy a bit more persistence with the help of Eternal Terminal.

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