Tutorials, guides and articles
A quick tutorial on how to extract private key and certificate from a PFX or PKCS #12 archive file into a format that, for example, Apache can use.
How to install OpenSSL 1.1.1 on older Linux distributions that does not provide it when working with Qt 5.12.4 or later.
Various tricks and tips for users of Raspberry Pis, mainly with Raspbian distribution. These tips and tricks grows over time.
Build OpenSSL for Qt Android on Linux with uptodate Android NDK using clang compiler. Both 1.1.1 for Qt 5.12.4 and later and 1.0.2 for older Qt versions are covered.
https://developer.nvidia.com/video-encode-decode-gpu-support-matrixBuild FFmpeg packages with hardware accelerated NVIDIA encoding & decoding support. Tested on Linux Mint.
How to quickly hide Drupal 7s automatic internal /node & /taxonomy pages without even hitting Drupal itself.
Raspbian based on Debian Stretch comes with an old (5.7.1) version of Qt that is already outdated and missing some features and modules. Afaik there are no up-to-date backports so the only way to get an up to date version version of Qt with all features enabled running on your Pi is to build it yourself.
How to install 64-bit kernel and configure the Raspberry Pi3 to boot it.
Instructions on how to prepare a Debian Raspbian for headless USB serial console use on a Raspberry Pi Zero, Zero W, A and A+ boards using USB OTG (gadget) mode. Note that these are the only models where it is possible to do so as they don't have a USB hub and the OTG mode is available for use.
Instructions on how to build Qt 5.8 on a Raspberry Pi running Raspbian Debian Jessie.
Instructions on how to build Qt 5.8 on a Raspberry Pi under Raspbian Debian Stretch.
Various examples on creating timelapse videos using gstreamer, from capturing to combining image files into a video.