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Oracle Linux Cookbook

Oracle Linux Cookbook

By : Erik Benner, Erik B. Thomsen, Jonathan Spindel
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Oracle Linux Cookbook

Oracle Linux Cookbook

5 (4)
By: Erik Benner, Erik B. Thomsen, Jonathan Spindel

Overview of this book

Discover the power of Oracle Linux 8, the free and enterprise-grade Linux distribution designed for use in any environment, with this recipe-style book. Starting with instructions on how to obtain Oracle Linux for both X86 and ARM-based platforms, this book walks you through various installation methods, from running it as a Windows service to installing it on a Raspberry Pi. It unravels advanced topics such as system upgrades using Leapp for major version transitions and using a PXE server and kickstart files for more advanced installations. The book then delves into swapping kernels to take advantage of Oracle’s UEK, exploring boot options, managing software with DNF, and achieving high availability. Detailed recipes involving security topics will assist with tasks such as data encryption, both at rest and in motion. For developers, it offers guidance on building RPM files, using Docker and Podman in a containerized environment, working with AppStreams, and more. For large-scale deployments, the book introduces Oracle Linux Automation Manager for enterprise-level Ansible utilization, from setting up the Ansible server to basic playbook writing. Finally, you’ll discover strategies for cloud migration. By the end of this book, you’ll possess a comprehensive toolkit that will elevate your skills as a Linux administrator.
Table of Contents (16 chapters)
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OLAM isn’t fantasy football, but they both use playbooks

Most of us know about fantasy football, where we follow teams, draft players, and bet on winners and losers. Well, we’re not betting anything here, other than whether our environment will work, but we are using something called a playbook. Consider a playbook much like that used by a football coach to train their team; it’s the same concept. We’re predefining an environment or event, and programmatically architecting it to behave in the way we tell it, creating or changing the environment we are defining, or even reclaiming resources (taking back CPU, RAM, and disk space from decommissioned environments). Whatever we define within the constraints of OLAM, we can execute.

In order to create our playbook, we need to figure out who, what, where, when, and maybe even why:

  • Who – What resources groups are we targeting?
  • What – What kind of resources are we targeting? A VM? A physical...

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