This tutorial will walk you through the process of creating a small Linux distribution for ARM-based embedded devices(e.g. Raspberry Pi) using Buildroot. At the end of the article you will be able to run your own Linux system into a Raspberry Pi 3/4/ZeroW. What’s Buildroot? Buildroot is a set of tools that will help you to easily generate an embedded Linux distribution for your IoT device. This project is driven by the community, and it’s fully open source.