Build a custom Linux for your Rasp Pi with Yocto

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© Lead Image © Author, 123RF.com

© Lead Image © Author, 123RF.com

Article from Issue 229/2019
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Yocto is a tool for creating custom Linux images for embedded devices. We'll show you how to create a customized Linux for your Rasp Pi.

Yocto [1] is a distribution builder. The tool helps users create customized images. A custom image is particularly tempting in the embedded environment, where hardware resources are limited.

In the Beginning

Yocto builds images based on recipes. The user can modify the recipe to determine how the system should be structured – you can even specify which compiler will be used for compiling the source code.

Yocto comes with a reference distribution called Poky, which includes many ready-made recipes and is based on OpenEmbedded [2]. A tool called bitbake lets you combine the Poky layer with a hardware-specific board support layer.

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