Book Image

Red Hat Enterprise Linux 9 Administration - Second Edition

By : Pablo Iranzo Gómez, Pedro Ibáñez Requena, Miguel Pérez Colino, Scott McCarty
2 (2)
Book Image

Red Hat Enterprise Linux 9 Administration - Second Edition

2 (2)
By: Pablo Iranzo Gómez, Pedro Ibáñez Requena, Miguel Pérez Colino, Scott McCarty

Overview of this book

With Red Hat Enterprise Linux 9 becoming the standard for enterprise Linux used from data centers to the cloud, Linux administration skills are in high demand. With this book, you’ll learn how to deploy, access, tweak, and improve enterprise services on any system on any cloud running Red Hat Enterprise Linux 9. Throughout the book, you’ll get to grips with essential tasks such as configuring and maintaining systems, including software installation, updates, and core services. You’ll also understand how to configure the local storage using partitions and logical volumes, as well as assign and deduplicate storage. You’ll learn how to deploy systems while also making them secure and reliable. This book provides a base for users who plan to become full-time Linux system administrators by presenting key command-line concepts and enterprise-level tools, along with essential tools for handling files, directories, command-line environments, and documentation for creating simple shell scripts or running commands. With the help of command line examples and practical tips, you’ll learn by doing and save yourself a lot of time. By the end of the book, you’ll have gained the confidence to manage the filesystem, users, storage, network connectivity, security, and software in RHEL 9 systems on any footprint.
Table of Contents (26 chapters)
1
Part 1 – Systems Administration – Software, User, Network, and Services Management
9
Part 2 – Security with SSH, SELinux, a Firewall, and System Permissions
14
Part 3 – Resource Administration – Storage, Boot Process, Tuning, and Containers
21
Part 4 – Practical Exercises

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

Managing the resources of machines running RHEL is fundamental to have a performant, efficient IT environment. Understanding the storage, tuning the performance (including the configuration required to make it permanent in the boot process), and then using containers to isolate processes and assign resources more efficiently are areas in which a system administrator will surely step in their daily work.

The following chapters are included in this part:

  • Chapter 12, Managing Local Storage and Filesystems
  • Chapter 13, Flexible Storage Management with LVM
  • Chapter 14, Advanced Storage Management with Stratis and VDO
  • Chapter 15, Understanding the Boot Process
  • Chapter 16, Kernel Tuning and Managing Performance Profiles with tuned
  • Chapter 17, Managing Containers with Podman, Buildah, and Skopeo