Book Image

Oracle Linux Cookbook

By : Erik Benner, Erik B. Thomsen, Jonathan Spindel
Book Image

Oracle Linux Cookbook

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)

Oracle Linux 8 – Get It? Got It? Good!

You finally made the choice to upgrade to the most secure and reliable free Linux distribution and now need to learn a few tricks. What’s next? How do you get started? It’s time to go back to the basics and answer the question How do you install Oracle Linux?

Back in the old days, installing a Linux distribution was a simple task; you simply ordered a CD-ROM, popped it into your computer, and booted from the disk. Simpleeffective… and a pain for many system administrators. Who wants to order a CD-ROM, or for that matter, who even uses CD-ROMs or DVDs, or even Blu-ray disks, anymore? Do you even need media? Can’t you just boot from the network to install? To make it more complicated, what happens when you are in the cloud? Doesn’t the cloud do it all for you? What about the CPU type, such as Arm or x86? How can you automate things?

We also need to consider that there is more than just x86...