Book Image

Hands-On Enterprise Automation on Linux

By : James Freeman
Book Image

Hands-On Enterprise Automation on Linux

By: James Freeman

Overview of this book

Automation is paramount if you want to run Linux in your enterprise effectively. It helps you minimize costs by reducing manual operations, ensuring compliance across data centers, and accelerating deployments for your cloud infrastructures. Complete with detailed explanations, practical examples, and self-assessment questions, this book will teach you how to manage your Linux estate and leverage Ansible to achieve effective levels of automation. You'll learn important concepts on standard operating environments that lend themselves to automation, and then build on this knowledge by applying Ansible to achieve standardization throughout your Linux environments. By the end of this Linux automation book, you'll be able to build, deploy, and manage an entire estate of Linux servers with higher reliability and lower overheads than ever before.
Table of Contents (23 chapters)
1
Section 1: Core Concepts
5
Section 2: Standardizing Your Linux Servers
10
Section 3: Day-to-Day Management
16
Section 4: Securing Your Linux Servers

Chapter 16 - Tips and Tricks

  1. Ansible Galaxy is a publicly available repository of Ansible roles for you to reuse or develop as you wish. It is also a place where you can share the roles you have created.
  2. Playbooks and roles are bound to change over time, but there will always be times where it is a requirement to understand what happened historically. Roles especially are designed to be reused, and so it is important they are centrally version controlled so that all playbooks that make use of them are sure they are using the correct version role.
  3. Possible answers include the following:
    • Use a requirements.yml file to specify the role URLs in a repository and install them with ansible-galaxy.
    • Add them to your roles/ directory as Git submodules.
  1. Especially in cloud computing, the servers you have deployed will change constantly. Ansible only knows what to automate from its...