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The Linux DevOps Handbook

You're reading from  The Linux DevOps Handbook

Product type Book
Published in Nov 2023
Publisher Packt
ISBN-13 9781803245669
Pages 428 pages
Edition 1st Edition
Languages
Concepts
Authors (2):
Damian Wojsław Damian Wojsław
Profile icon Damian Wojsław
Grzegorz Adamowicz Grzegorz Adamowicz
Profile icon Grzegorz Adamowicz
View More author details

Table of Contents (20) Chapters

Preface 1. Part 1: Linux Basics
2. Chapter 1: Choosing the Right Linux Distribution 3. Chapter 2: Command-Line Basics 4. Chapter 3: Intermediate Linux 5. Chapter 4: Automating with Shell Scripts 6. Part 2: Your Day-to-Day DevOps Tools
7. Chapter 5: Managing Services in Linux 8. Chapter 6: Networking in Linux 9. Chapter 7: Git, Your Doorway to DevOps 10. Chapter 8: Docker Basics 11. Chapter 9: A Deep Dive into Docker 12. Part 3: DevOps Cloud Toolkit
13. Chapter 10: Monitoring, Tracing, and Distributed Logging 14. Chapter 11: Using Ansible for Configuration as Code 15. Chapter 12: Leveraging Infrastructure as Code 16. Chapter 13: CI/CD with Terraform, GitHub, and Atlantis 17. Chapter 14: Avoiding Pitfalls in DevOps 18. Index 19. Other Books You May Enjoy

CM systems and CaC

Setting up and maintaining a system other than a hobbyist server (and even those, maybe, too) poses a serious challenge: how do you ensure that the system is installed and configured correctly and according to expectations? When you have to install a new server that is identical in configuration, how do you ensure that? In the past, a way of doing it was documenting the current configuration after the installation process was done. This would be a document describing the hardware, operating system, installed software, created users, and configuration applied. Any person who wanted to recreate it would have to follow steps to achieve the configuration described in the document.

The very next logical step is to write shell scripts that achieve the same goal with one additional improvement over the manual process: the scripts—properly written, tested, and maintained—do not require manual work, except, maybe, the initial system installation. But a properly...

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