You're reading from Red Hat Enterprise Linux 9 Administration A comprehensive Linux system administration guide for RHCSA certification exam candidates

Product type Paperback

Published in Nov 2022

Publisher Packt

ISBN-13 9781803248806

Length 530 pages

Edition 2nd Edition

Languages

C++

Tools

Linux

Concepts

System Administration

Authors (4):

Scott McCarty

Miguel Pérez Colino

Pedro Ibañez Requena

Pablo Iranzo Gómez

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Table of Contents (26) Chapters

Preface

1. Part 1 – Systems Administration – Software, User, Network, and Services Management

2. Chapter 1: Getting RHEL Up and Running FREE CHAPTER

3. Chapter 2: RHEL 9 Advanced Installation Options

4. Chapter 3: Basic Commands and Simple Shell Scripts

5. Chapter 4: Tools for Regular Operations

6. Chapter 5: Securing Systems with Users, Groups, and Permissions

7. Chapter 6: Enabling Network Connectivity

8. Chapter 7: Adding, Patching, and Managing Software

9. Part 2 – Security with SSH, SELinux, a Firewall, and System Permissions

10. Chapter 8: Administering Systems Remotely

11. Chapter 9: Securing Network Connectivity with firewalld

12. Chapter 10: Keeping Your System Hardened with SELinux

13. Chapter 11: System Security Profiles with OpenSCAP

14. Part 3 – Resource Administration – Storage, Boot Process, Tuning, and Containers

15. Chapter 12: Managing Local Storage and Filesystems

16. Chapter 13: Flexible Storage Management with LVM

17. Chapter 14: Advanced Storage Management with Stratis and VDO

18. Chapter 15: Understanding the Boot Process

19. Chapter 16: Kernel Tuning and Managing Performance Profiles with tuned

20. Chapter 17: Managing Containers with Podman, Buildah, and Skopeo

21. Part 4 – Practical Exercises

22. Chapter 18: Practice Exercises – 1

23. Chapter 19: Practice Exercise – 2

24. Index

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Introduction to containers

Containers provide users with a new way to run software on Linux systems. Containers provide all the dependencies related to a given piece of software, in a consistent and redistributable manner. Containers were first made popular by Docker, Google, and Red Hat, and many others joined Docker to create a set of open standards called the Open Container Initiative (OCI). The popularity of the OCI standards has facilitated a large ecosystem of tools where users don’t have to worry about compatibility between popular container images, registries, and tools. Containers have become standardized in recent years and most major tools follow three standards governed by the OCI, outlined here:

Image specification: Governs how container images are saved on disk
Runtime specification: Specifies how containers are started by communicating with the operating system (in particular, the Linux kernel)
Distribution specification: Governs how images are...

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Table of Contents (26) Chapters

Introduction to containers

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Authors (4)

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