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

Neglecting testing and QA

Testing and QA are critical components of any DevOps workflow, yet many organizations fail to prioritize them, leading to buggy software, user dissatisfaction, and lost revenue. In the world of DevOps, where software development and operations are closely integrated, testing and QA are critical components of the development process. Neglecting these aspects can lead to various issues that can have serious consequences for software development projects. Let’s explore some potential pitfalls of neglecting testing and QA in DevOps, and propose solutions to address them:

  • Increased software defects
  • Deployment failures
  • Security vulnerabilities
  • Lack of documentation
  • Inadequate test coverage
  • Lack of continuous improvement

Let us check these pitfalls in detail.

Increased software defects

Without proper testing and QA, software defects may—and usually do—go unnoticed, leading to the release of poor-quality...