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Oracle Linux Cookbook

Oracle Linux Cookbook

By : Erik Benner, Erik B. Thomsen, Jonathan Spindel
5 (4)
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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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Encrypting all data at rest

Encrypting your data in motion is great, but you also need to encrypt the data at rest. This is especially important in the cloud, where you are sharing storage with many other users. While your cloud provider may offer automatic encryption, it is important to remember that if they can decrypt the data automatically, they also have access to the keys. To truly protect your data, you need to encrypt the data with keys that your cloud does not have access to. This can be done easily with Linux Unified Key Setup (LUKS). Large organizations will also want to use Clevis, which enables the automatic decryption of data from keys managed by a Tang server. The Tang server is used to store and manage the encryption keys. In the cloud, this allows you to manage your boot encryption without the cloud provider having access to your keys. This process is called Network Bound Disk Encryption (NBDE).

NBDE is a security feature used in Oracle Linux that provides disk...

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