Building a Custom Embedded Linux Distribution
summary
Builds a complete embedded Linux image from Yocto source using BitBake as the engine, showing a real Sato UI build that takes about 1–2 hours (example ~88 minutes), producing downloads, sstate/shared cache and temp/deploy trees with kernel and rootfs artifacts. Demonstrates layer/recipe layout, package vs recipe splitting, and customization via bbappend and package names, inspects builds with bitbake -e and bitbake-layers, and recommends SDK, NFS-mounted rootfs or iterative local edits as practical workflows.
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chapters (28)
- 0:00Introduction
- 0:27Challenges
- 2:26Outline
- 3:10Yocto Documentation
- 3:22Agenda
- 3:58Yocto Project
- 5:25What makes your product different
- 5:38Using an existing distribution
- 6:54Building from source
- 8:10Questions
- 9:14Quick Start
- 10:55Running the Script
- 13:38Second Run
- 15:01Initial Build
- 17:49Shared State
- 19:35Temp Directory
- 20:49Work Directory
- 21:24Busybox Directory
- 22:30Inbound vs Outbound
- 26:12Dumping the Environment
- 28:36Layers
- 29:59Bitbake Layers
- 31:01Recipes
- 33:27Packages
- 35:59BB Append
- 38:09Introducing BB
- 44:23How to add something into Busybox
- 48:27Final Thoughts
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