https://rahma145.github.io/Technical blog on Embedded Linux/Yocto/C/C++. 2026-10-20T08:49:49+01:00 Rahma Rahali https://rahma145.github.io/ Jekyll © 2026 Rahma Rahali /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png 2026-10-19T18:30:00+01:00 2026-10-20T08:46:02+01:00 https://rahma145.github.io/posts/rauc-bundles-signing-verity-and-installation/ Rahma Rahali

How a RAUC bundle is built, signed with CMS, protected block by block with dm-verity, and installed step by step on an embedded Linux device.

2026-10-19T18:00:00+01:00 2026-10-20T08:46:38+01:00 https://rahma145.github.io/posts/understanding-rauc-ab-updates/ Rahma Rahali

Why in-place updates are risky, how an A/B scheme fixes it, and how RAUC and U-Boot work together to install, boot and roll back an update.

2026-10-12T19:30:00+01:00 2026-10-12T19:30:00+01:00 https://rahma145.github.io/posts/understanding-fakeroot-pseudo-in-yocto/ Rahma Rahali

How pseudo lets BitBake tasks believe they run as root: LD_PRELOAD interception, the fakeworker, and the client/server database that remembers fake ownership.

2026-10-12T13:30:00+01:00 2026-10-12T13:30:00+01:00 https://rahma145.github.io/posts/yocto-sdk-extensible-sdk-and-devtool/ Rahma Rahali

Build applications without rebuilding the whole system: the standard SDK, the extensible SDK, and the devtool workflow (add, modify, update-recipe, build, deploy-target, finish).

2026-10-12T09:05:00+01:00 2026-10-12T09:05:00+01:00 https://rahma145.github.io/posts/packaging-and-image-generation-in-yocto/ Rahma Rahali

How BitBake splits a recipe into packages, writes RPM/DEB/IPK files, runs install scripts, and assembles the final image, illustrated with a systemd service tested in QEMU.