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Mastering Embedded Linux Programming

You're reading from   Mastering Embedded Linux Programming Create fast and reliable embedded solutions with Linux 5.4 and the Yocto Project 3.1 (Dunfell)

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Product type Paperback
Published in May 2021
Publisher Packt
ISBN-13 9781789530384
Length 758 pages
Edition 3rd Edition
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Authors (2):
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Frank Vasquez Frank Vasquez
Author Profile Icon Frank Vasquez
Frank Vasquez
Mr. Chris Simmonds Mr. Chris Simmonds
Author Profile Icon Mr. Chris Simmonds
Mr. Chris Simmonds
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Table of Contents (27) Chapters Close

Preface 1. Section 1: Elements of Embedded Linux
2. Chapter 1: Starting Out FREE CHAPTER 3. Chapter 2: Learning about Toolchains 4. Chapter 3: All about Bootloaders 5. Chapter 4: Configuring and Building the Kernel 6. Chapter 5: Building a Root Filesystem 7. Chapter 6: Selecting a Build System 8. Chapter 7: Developing with Yocto 9. Chapter 8: Yocto Under the Hood 10. Section 2: System Architecture and Design Decisions
11. Chapter 9: Creating a Storage Strategy 12. Chapter 10: Updating Software in the Field 13. Chapter 11: Interfacing with Device Drivers 14. Chapter 12: Prototyping with Breakout Boards 15. Chapter 13: Starting Up – The init Program 16. Chapter 14: Starting with BusyBox runit 17. Chapter 15: Managing Power 18. Section 3: Writing Embedded Applications
19. Chapter 16: Packaging Python 20. Chapter 17: Learning about Processes and Threads 21. Chapter 18: Managing Memory 22. Section 4: Debugging and Optimizing Performance
23. Chapter 19: Debugging with GDB 24. Chapter 20: Profiling and Tracing 25. Chapter 21: Real-Time Programming 26. Other Books You May Enjoy

Distributing binaries

Mainstream Linux distributions are, in most cases, constructed from collections of binary (precompiled) packages in either RPM or DEB format. RPM stands for the Red Hat package manager and is used in Red Hat, SUSE, Fedora, and other distributions based
on them. Debian and Debian-derived distributions, including Ubuntu and Mint, use
the Debian package manager format known as DEB. In addition, there is a lightweight format specific to embedded devices known as the Itsy package format or IPK, which is based on DEB.

The ability to include a package manager on the device is one of the big differentiators between build systems. Once you have a package manager on the target device, you have an easy path to deploy new packages to it and to update the existing ones. I will talk about the implications of this in Chapter 10, Updating Software in the Field.

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