The Buildroot user manual is where you want to start reading if you wish to understand how Buildroot works, or wish to change/extend/fix things. It is available as:

Stable | Nightly

Stable | Nightly

Stable | Nightly

If you find any errors (factual, grammatical, whatever) please report them to us.


Bootlin (formerly Free Electrons) offers a complete 3-days training course on Buildroot. They also make the training materials freely available:

Slides preview
buildroot slides
Public training course
The next online public training course on Buildroot organized by Bootlin will take place from May 31 to June 4, 2021, with Thomas Petazzoni as trainer. Infos and registration.