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Michael Opdenacker

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Securing a Yocto Built SystemOpen Source Summit Europe 20252025-08-25
Step-by-step demo implements Yocto manual guidelines by building a distro with development, production, and production-test images, adding first-boot…
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Building and Maintaining Binary Distributions with YoctoEmbedded Linux Conference Europe 20242024-09-16
Yocto can produce ready-made images plus package feeds and recent work (funded by the Sovereign Tech Fund) adds a PR server read-only mode and an upstream PR…
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Building and Maintaining Binary Distributions with YoctoOpen Source Summit Europe 20242024-09-16
Yocto gains concrete binary-distribution features: an read-only PR server and support for an upstream PR chaining model that lets a local feed override…
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Finding the Best Block Filesystem for Your Embedded Linux SystemEmbedded Linux Conference (ELC) @ EOSS 20232023-06-27
Benchmarks compare ext2, ext4, xfs, btrfs, f2fs, squashfs and erofs on 32‑ and 64‑bit ARM using a fast SD card, measuring kernel module size, module load +…
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Implementing A/B System Updates with U-BootEmbedded Linux Conference Europe 20222022-09-14
Practical recipe for A/B updates using U-Boot: use U-Boot’s part list to detect the partition with the bootable flag, flip that flag with the MBR/GPT commands…
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Embedded Linux Nuggets found in Buildroot Package EldoradoOpen Source Summit + Embedded Linux Conference + OSPOCon 20212021-09-27
Buildroot contains over 2,800 packages and this scan highlights concrete tools: bmap-tools for fast flashing uses partition holes and can stream images with…
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Embedded Linux "from scratch" in 45 minutes... on Risc-VFOSDEM 20212021-02-06
Join and discover how to build your own embedded Linux system completely from scratch. You will build your own toolchain, bootloader and kernel, that you will…
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Timing Boot Time Reduction TechniquesOpen Source Summit Europe + Embedded Linux Conference Europe 20192019-10-28
Initial system boots from a Kingston SD on a BeagleBone Black in about 9.45 s; measured changes give concrete wins: thumb toolchain shrinks binaries ~18%…
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Embedded Linux Size Reduction TechniquesEmbedded Linux Conference + OpenIoT Summit North America 20172017-02-21
Make tinyconfig plus -Os and a few build tweaks produce a kernel that boots with 4 MB RAM on QEMU (ZImage ~400 KB, unstripped ~1+ MB); LTO saves about 2–3%…
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