EMB-120 · Embedded Linux & BSP · Practitioner
Buildroot in Practice — full syllabus
The lighter alternative to Yocto: when Buildroot is the right call and how to use it well.
Who this course is for
Engineers choosing or running Buildroot for smaller products — who need an honest picture of what it does well, and the discipline to keep a Buildroot-based product maintainable.
Prerequisites
- Linux command line and build tooling
- Basic cross-compilation concepts
- No prior Buildroot experience required
Course outline
Day 1 — The Buildroot model
- How Buildroot differs from Yocto: no binary packages, no sstate, one tree
- Kconfig configuration and defconfigs
- The build flow: toolchain, packages, rootfs, images
- BR2_EXTERNAL trees for keeping your work out of the fork
- Build artefacts: where per-package directories and output live
Day 2 — Packages and toolchains
- The package infrastructures: generic, autotools, cmake, meson
- Writing a package .mk and Config.in for your own software
- Patching packages and keeping the patch stack reviewable
- Toolchain choices: internal build, external toolchain, SDK generation
- Legal-info output and what it gives you for free
Day 3 — Rootfs assembly and honest comparison
- Filesystem overlays and permission/device tables
- Post-build and post-image scripts: where product policy lives
- Users, init system selection and skeleton customisation
- Rebuild cost reality: full vs incremental and the make pitfalls
- Buildroot vs Yocto for real projects: team size, update strategy, compliance and lifecycle
Hands-on labs
- Lab: Build a defconfig for a QEMU target and boot the result; then rebuild it for the lab board's architecture
- Lab: Add a new package with generic-package, patch it, and prove the patch applied in the per-package build directory
- Lab: Assemble a product rootfs with an overlay, a permission table and a post-build script; verify the result on the target
- Lab: Generate an SDK and build a userspace application against it outside the Buildroot tree
- Lab: Time a clean build vs an incremental change, then measure the same change in an equivalent Yocto build and write up the comparison
Capstone project
Produce equivalent minimal images for the same target in Buildroot and (with provided scaffolding) Yocto: same packages, same init behaviour, same custom application — then deliver both images, the provenance and legal-info output for each, measured rebuild timings and a one-page decision record stating which system you would ship and why.
What you leave with
- A working Buildroot build with your own package and overlay
- Defconfig and BR2_EXTERNAL discipline for a clean tree
- SDK generation and external application builds
- A measured, not tribal, Buildroot-vs-Yocto comparison
- Legal-info output as the start of your compliance story
Upcoming dates
| Dates | Where | Seats | Early bird | Regular | |
|---|---|---|---|---|---|
| 11 Oct – 13 Oct 20263 full days | RiyadhIn person · KAFD Conference Centre | 3 of 14 | — | SAR 7,880 | |
| 18 Oct – 20 Oct 20263 full days | Kuwait CityIn person · Al Hamra Tower | 8 of 14 | — | KWD 650 | |
| 18 Oct – 20 Oct 20263 full days | MuscatIn person · Knowledge Oasis Muscat | 3 of 14 | — | OMR 810 | |
| 25 Oct – 1 Nov 20266 half-days | Gulf bandLive online · 09:00–13:00 GMT+3 | 15 of 20 | — | US$1,500 | |
| 26 Oct – 28 Oct 20263 full days | OttawaIn person · Kanata North Tech Park | 8 of 14 | — | CAD 2,860 | |
| 2 Nov – 4 Nov 20263 full days | TorontoIn person · MaRS Discovery District | 3 of 14 | — | CAD 2,860 | |
| 2 Nov – 4 Nov 20263 full days | LondonIn person · Shoreditch Works | 8 of 14 | — | GBP 1,640 | |
| 2 Nov – 9 Nov 20266 half-days | Europe bandLive online · 09:00–13:00 CET | 4 of 20 | — | US$1,500 | |
| 2 Nov – 9 Nov 20266 half-days | Americas bandLive online · 13:00–17:00 ET | 9 of 20 | — | US$1,500 | |
| 9 Nov – 11 Nov 20263 full days | BerlinIn person · Factory Görlitzer Park | 3 of 14 | EUR 1,740until 10 Oct |
Book a seat, or bring this course to your team
Seats can be reserved online; private delivery runs on-site or live online, adapted to your stack.
Questions about fit or prerequisites? Email hello@kernelsystems.academy. To save this syllabus, print this page to PDF from your browser.