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Hands-On Enterprise Automation on Linux

You're reading from   Hands-On Enterprise Automation on Linux Efficiently perform large-scale Linux infrastructure automation with Ansible

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Product type Paperback
Published in Jan 2020
Publisher Packt
ISBN-13 9781789131611
Length 512 pages
Edition 1st Edition
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Author (1):
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James Freeman James Freeman
Author Profile Icon James Freeman
James Freeman
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Table of Contents (23) Chapters Close

Preface 1. Section 1: Core Concepts
2. Building a Standard Operating Environment on Linux FREE CHAPTER 3. Automating Your IT Infrastructure with Ansible 4. Streamlining Infrastructure Management with AWX 5. Section 2: Standardizing Your Linux Servers
6. Deployment Methodologies 7. Using Ansible to Build Virtual Machine Templates for Deployment 8. Custom Builds with PXE Booting 9. Configuration Management with Ansible 10. Section 3: Day-to-Day Management
11. Enterprise Repository Management with Pulp 12. Patching with Katello 13. Managing Users on Linux 14. Database Management 15. Performing Routine Maintenance with Ansible 16. Section 4: Securing Your Linux Servers
17. Using CIS Benchmarks 18. CIS Hardening with Ansible 19. Auditing Security Policy with OpenSCAP 20. Tips and Tricks 21. Assessments 22. Other Books You May Enjoy

Chapter 5 - Using Ansible to Build Virtual Machine Templates for Deployment

  1. Sysprep removes all redundant information from the image so it is clean when it is deployed. This might include system logs, bash history files, SSH host identification keys, MAC addresses in udev rules—anything that should not be deployed a hundred times across the enterprise.
  2. Whenever you need to know something about the underlying system—perhaps the IP address, the operating system, or the disk geometry.
  3. Ideally, create a Jinja2 template and deploy it with Ansible using the template module.
  4. get_url.
  5. You would write two tasks, one that uses the apt module, and one that uses the yum module. Each task should have a when clause and check the Ansible Facts to ensure it runs the correct task on the corresponding operating system.
  6. To ensure it was not corrupted when you downloaded it and to...
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