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Oracle Linux Cookbook

You're reading from   Oracle Linux Cookbook Embrace Oracle Linux and master Linux Server Management

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Product type Paperback
Published in Jan 2024
Publisher Packt
ISBN-13 9781803249285
Length 548 pages
Edition 1st Edition
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Authors (3):
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Erik Benner Erik Benner
Author Profile Icon Erik Benner
Erik Benner
Mr. Jonathan Spindel Mr. Jonathan Spindel
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Mr. Jonathan Spindel
Erik B. Thomsen Erik B. Thomsen
Author Profile Icon Erik B. Thomsen
Erik B. Thomsen
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Toc

Table of Contents (16) Chapters Close

Preface 1. Chapter 1: Oracle Linux 8 – Get It? Got It? Good! 2. Chapter 2: Installing with and without Automation Magic FREE CHAPTER 3. Chapter 3: Exploring the Various Boot Options and Kernels in Oracle Linux 4. Chapter 4: Creating and Managing Single-Instance Filesystems 5. Chapter 5: Software Management with DNF 6. Chapter 6: Eliminating All the SPOFs! An Exercise in Redundancy 7. Chapter 7: Oracle Linux 8 – Patching Doesn’t Have to Mean Rebooting 8. Chapter 8: DevOps Automation Tools – Terraform, Ansible, Packer, and More 9. Chapter 9: Keeping the Data Safe – Securing a System 10. Chapter 10: Revisiting Modules and AppStreams 11. Chapter 11: Lions, Tigers, and Containers – Oh My! Podman and Friends 12. Chapter 12: Navigating Ansible Waters 13. Chapter 13: Let’s All Go to the Cloud 14. Index 15. Other Books You May Enjoy

Managing secrets with Ansible Vault

This recipe aims to provide guidance on leveraging Ansible Vault for secrets management.

There are multiple ways to store secrets in Ansible. When starting out, you may be inclined to encrypt the entire hosts file. This works and keeps everything secure in the context of using a version control system without compromising your secrets/passwords; however, it is not manageable, nor does it provide any useful information in version control systems because all you’re left with is a long nonsensical string of encrypted characters.

Getting started

You will need the following for this recipe:

  • Oracle Linux
  • Ansible

Refer to the Technical requirements section at the beginning of this chapter if you need help installing Ansible.

How to do it…

First, let’s take a look at whole-file encryption. To begin, we’ll first need to define our Ansible host file in plain text.

Whole-file encryption

Typically...

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