• Short tip: Partial Commits with VSCode

    calendar Jan 25, 2022 · 1 min read · kurztipp  ·
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    One of the most important Git best practices is to write commits as atomic as possible - that is, to submit as few changes as possible, but as many as necessary. The advantage is obvious: commits can be reverted individually using git revert. If you mix bug fixes and new features wildly in one commit, you will undo …
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  • Short tip: Nextcloud + 2FA + CalDAV and CardDAV under iOS

    calendar Jan 22, 2022 · 1 min read · nextcloud kurztipp  ·
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    While setting up my Nextcloud calendar on an iOS device the other day, I encountered the following error:

    1CalDAV account verification failed

    The error also affected contacts via CardDav - the usual troubleshooting options failed:

    • Password reset
    • Using another device
    • Use different URL and port combinations

    Finally, I …


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  • Linux year in review 2021 - my highlights

    calendar Dec 22, 2021 · 9 min read  ·
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    As the year draws to a close, there has once again been a lot going on in the Linux world. In the recently published episode of the FOCUS ON:DevOps podcast, we spent two whole hours discussing all the news in detail.

    Time to take a slightly deeper look at my personal top 5.

    Probably the biggest highlight for most …


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  • Short tip: Shelly Plug does not find newer firmware

    calendar Dec 4, 2021 · 1 min read · kurztipp  ·
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    The Shelly Plug WLAN socket adapters from the Bulgarian manufacturer Allterco are very popular. They are inexpensive and - unlike other alternatives - also allow switching without cloud constraints via their own MQTT broker. However, some devices come with severely outdated firmware, for which the search for updates …
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  • AppImage, Flatpak und Snap in comparison

    calendar Dec 1, 2021 · 8 min read · appimage flatpak snap  ·
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    For installating software, Linux has always offered various possibilities. For example, there is always the possibility of manual compilation using the well-known rule of three (configure, make, make install) - including all the advantages and disadvantages. However, the most convenient solution is using the …
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  • 30 years Linux - my personal retrospect

    calendar Aug 25, 2021 · 10 min read  ·
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    30 years ago today, a Finnish student presented a project in the then still very prominent Usenet. It was Linus Torvalds and the talk was about a small UNIX-like operating system which ran mainly on cheap 386/486 AT clones. Linus was interested in UNIX, but like most students and hobbyists at the time, could not afford …
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  • Keychron K8 - cheap hotswap keyboard

    calendar May 11, 2021 · 6 min read · mechanical-keyboard  ·
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    After more than one year of collective home office I was looking for a keyboard that as silent as possible but still allows unresting typing. As a mechanical keyboard enthusiast, conventional rubberdome keyboards were not an option. Luckily, there are plenty of options available.

    The range of mechanical keyboards is …


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  • Oracle Linux Manager 2.10: First impressions

    calendar May 5, 2021 · 6 min read  ·
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    Nach der Einstellung des Spacewalk-Projekts durch Red Hat im Mai 2020 entschied sich neben SUSE auch Oracle für einen Fork der quelloffenen System Management-Software.

    <img
  loading="lazy"
  decoding="async"
  alt="Overview" …</picture></figure></p>

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  • Short tip: Java applications and HiDPI

    calendar May 2, 2021 · 1 min read · kurztipp  ·
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    Legacy software is often used longer than planned. Running older Java software on high-resolution displays with more than 1080p is quite hard by default.

    To fix this, manually setting scaling via command-line pararameters is sufficient:

    1$ java -Dsun.java2d.uiScale=3.5 -jar app.jar

    In this case, 3.5x or 350% scaling is …


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  • Volla Phone: Android privacy phone without Google

    calendar Mar 18, 2021 · 8 min read  ·
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    With more than 60% market share Android devices are dominating the smartphone market for a long time. But the most devices have one in common: a nosy operating system that likes to experience as much as possible about the user.

    Hallo Welt Systeme UG - a german startup from Remscheid - aims to change this. With the …


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