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Learn Ansible

Learn Ansible

By : Russ McKendrick
4.5 (4)
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Learn Ansible

Learn Ansible

4.5 (4)
By: Russ McKendrick

Overview of this book

Ansible has grown from a small, open source orchestration tool to a full-blown orchestration and configuration management tool owned by Red Hat. Its powerful core modules cover a wide range of infrastructures, including on-premises systems and public clouds, operating systems, devices, and services—meaning it can be used to manage pretty much your entire end-to-end environment. Trends and surveys say that Ansible is the first choice of tool among system administrators as it is so easy to use. This end-to-end, practical guide will take you on a learning curve from beginner to pro. You'll start by installing and configuring the Ansible to perform various automation tasks. Then, we'll dive deep into the various facets of infrastructure, such as cloud, compute and network infrastructure along with security. By the end of this book, you'll have an end-to-end understanding of Ansible and how you can apply it to your own environments.
Table of Contents (20 chapters)
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Ansible versus other tools

If you look at the design principles in the first commit compared to the current version, you will notice that while there have been some additions and tweaks, the core principles remain pretty much intact:

  • Agentless: Everything should be managed by the SSH daemon using the WinRM protocol in the case of Windows machines or API calls—there should be no reliance on custom agents or additional ports that need to be opened or interacted with on the target host. The machine running Ansible should need line of sight of the target resource network-wise.
  • Minimal: You should be able to manage new remote machines without installing any new software on the target host; each Linux target host will typically have at least SSH and Python installed as part of a minimal installation, which is all needed to run Ansible.
  • Descriptive: You should be able to describe your infrastructure, stack, or task in a language readable by machines and humans.
  • ...
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Learn Ansible
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