Book Image

The Linux DevOps Handbook

By : Damian Wojsław, Grzegorz Adamowicz
3.5 (2)
Book Image

The Linux DevOps Handbook

3.5 (2)
By: Damian Wojsław, Grzegorz Adamowicz

Overview of this book

The Linux DevOps Handbook is a comprehensive resource that caters to both novice and experienced professionals, ensuring a strong foundation in Linux. This book will help you understand how Linux serves as a cornerstone of DevOps, offering the flexibility, stability, and scalability essential for modern software development and operations. You’ll begin by covering Linux distributions, intermediate Linux concepts, and shell scripting to get to grips with automating tasks and streamlining workflows. You’ll then progress to mastering essential day-to-day tools for DevOps tasks. As you learn networking in Linux, you’ll be equipped with connection establishment and troubleshooting skills. You’ll also learn how to use Git for collaboration and efficient code management. The book guides you through Docker concepts for optimizing your DevOps workflows and moves on to advanced DevOps practices, such as monitoring, tracing, and distributed logging. You’ll work with Terraform and GitHub to implement continuous integration (CI)/continuous deployment (CD) pipelines and employ Atlantis for automated software delivery. Additionally, you’ll identify common DevOps pitfalls and strategies to avoid them. By the end of this book, you’ll have built a solid foundation in Linux fundamentals, practical tools, and advanced practices, all contributing to your enhanced Linux skills and successful DevOps implementation.
Table of Contents (20 chapters)
1
Part 1: Linux Basics
6
Part 2: Your Day-to-Day DevOps Tools
12
Part 3: DevOps Cloud Toolkit

Understanding Linux services in detail

Unless you are running some kind of low-level embedded device on your desktop—and we strongly doubt it—your operating system manages a multitude of tasks to create a comfortable and productive environment for you. Be it Mac OS X, Linux, Windows, or FreeBSD, they all run a multitude of background programs that together provide a useful system. The same goes for server flavors of those operating systems. A background program or background process (in Unix and Linux called, fluffily, a daemon) means a program that is not attached to any input (keyboard, mouse, etc.) or output (monitor, terminal, etc.). This way, they can start working even when no one is logged in to the system and keep working when the user logs out. They can also run under the privileges of a user who can never log in to the system, making their execution much safer.

The number of services running on your Linux system will, in large part, depend on the distribution...