Tutorials, guides and articles
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Guide on how to build a 64-bit ARM aarch64 kernel for the Raspberry Pi 3, 3+ and 4 boards, on device, using native cross-compilation tools binutils and gcc.
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Tutorial on how to use FFMpeg to combine multiple live video sources, for example webcams, and re-stream to a video streaming service like YouTube or any other that support rtmp ingestion.
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Quick tutorial on creating basic certificates for encrypted TLS connections, usable for development or other private purposes. Both self-signed and custom CA variations are described.
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A quick tutorial video on how to add/replace memory on a Lenovo Z50 laptop.
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How to query a Bluetooth LE bicycle Cadence and Speed sensor using gattool, the BlueZ Bluetooth Low Energy tool.
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So now you have a shiny new Qt build on your Raspberry Pi. Now what ? Testing!
This tutorial presents a very simple, sort-of a Hello World QtQuick applications.
Start your favorite editor (nano, vi, emacs, editor-of-choice) and paste the following code into it and then save it as main.qml
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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.
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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.
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Various tricks and tips for users of Raspberry Pis, mainly with Raspbian distribution. These tips and tricks grows over time.
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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.
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https://developer.nvidia.com/video-encode-decode-gpu-support-matrixBuild FFmpeg packages with hardware accelerated NVIDIA encoding & decoding support. Tested on Linux Mint.
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How to quickly hide Drupal 7s automatic internal /node & /taxonomy pages without even hitting Drupal itself.