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BeagleBone Black Cookbook

You're reading from  BeagleBone Black Cookbook

Product type Book
Published in Nov 2015
Publisher Packt
ISBN-13 9781783982929
Pages 346 pages
Edition 1st Edition
Languages
Concepts

Table of Contents (16) Chapters

BeagleBone Black Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Setting Up for the First Time Basic Programming Recipes Physical Computing Recipes Using JavaScript, the BoneScript Library, and Python Exploring GNU/Linux Recipes Using Bash, Autotools, Debugger, and systemd Basic Programming Recipes with the Linux Kernel Run Faster, Run Real Time Applied Recipes – Sound, Picture, and Video The Internet of Things The Black in Outer Space Index

Introduction


We will now learn something about the real guts of our platform, the Linux kernel. Of course, understanding all the bits about the kernel is for another very large set of books and discussion. We won't be doing that here!

What we do want to explore is how to update, build, and modify the kernel in ways that will give us tighter control over our hardware and make the development process less opaque. Then, we'll conclude the chapter by working with one of the key differentiators for BeagleBone Black, the Device Tree, which is a clever way to describe the hardware in our system.

The best part is that if you do all the recipes, you'll be forever known as Colonel kernel. Well, lieutenant kernel. All right, maybe private kernel. But it's a start....

Kernel building basics

What is this mysterious kernel thing of which we speak? What does it look like? Where does it live? Well, on one level, it is merely a file. Let's take a peek. Open up a terminal on your BBB and type the following commands...

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