What are Ubuntu repositories

Software for Linux, like Ubuntu, is available in many formats: DEB packages, AppImage, Flatpak Snap… There are so many formats available that even Linus Torvalds has complained that he (more…)

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Linux directories explained

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Updated on January 21st, 2021 – The Linux file system comes originally from UNIX and thus follows UNIX traditions. This is why for instance it uses the forward slash instead of the back slash as in Windows. Linux also differentiates between uppercase (more…)

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How to increase swap space in Linux

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When a Linux system has an out-of-memory error or runs out of RAM, .i.e. can no longer store data in the virtual memory, it will temporarily use swap space in order to increase the size of the virtual memory available. (more…)

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