Revisiting fingerprint auth on KDE / Kubuntu

Suprisingly long time ago I wrote a post about the sorry state of fingerprint authentication on KDE. This post could be summarized as “don’t even bother”. I gave up on this enterprise and actually the situation got even worse later as the fingerprint sensor of my next computer – Dell 7210 – was not even supported by Linux drivers and fprintd.

So after abandoning this topic for some time I got another shot at checking out the topic again very recently.

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Kubuntu: module “org.kde.desktop” is not installed

Recently this error showed up on my Kubuntu 23.10 while trying to run applications using QtQuick, such as QtDesignStudio or just a new QML project with QtCreator. The application either outright does not run or has serious GUI issues.

Turns out this is probably an issue related to software and distributions switching from Qt5 to Qt6.

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Simple Lua console in Qt

Lua is a simple, fast and embeddable scripting language. Capability to run Lua scripts can be relatively easily added into C and C++ applications. Due to it’s ease of use and performance it’s being used in computer games (Crysis, Garry’s mod, …), general software (Wireshark, Neovim, …) and also embedded devices (Logic Machine). Let’s take a look how to create a very simple Lua console GUI with Qt.

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A postcard from China

Enjoying terere in a hotel room in Asunción seems to be a good time to write some useless posts after eyebrow-raising almost three years hiatus. Let’s continue.

In late May 2023 almost immediately after China suddenly lifted the (Corona) tourist travel ban I’ve decided to use this unique opportunity to take a look what the future will bring.

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Using Azure CI for cross-platform Linux and Windows Qt application builds

Developing cross-platform applications brings some extra challenges. Generally your development machine runs an operating system of your choice, but you need to assure that your application runs on other platforms as well. In the end the only way to do this is to actually test if everything is OK. This hassle can be simplified using CI.

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