Red Hat Enterprise Linux 9 Administration: A comprehensive Linux system administration guide for RHCSA certification exam candidates , Second Edition

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Key benefits

Become a pro at system administration from installation to container management

Secure and harden your Linux environment using SSH, SELinux, firewall, and system permissions

Gain confidence to pass the RHCSA exam with the help of practice tests

Description

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.

What you will learn

Become well versed with the fundamentals of RHEL9—from system deployment to user management

Secure a system by using SELinux policies and configuring firewall rules

Understand LVM to manage volumes and maintain VDO deduplication

Manage a system remotely using SSH and public key authentication

Get the hang of the boot process and kernel tunable to adjust your systems

Automate simple tasks using scripts or Ansible Playbooks

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Amazon verified reviews

antonio vasquez Dec 30, 2023

Those lessons inside the book are amazing.

Amazon Verified review

Eric Lajoie Mar 09, 2023

I enjoyed jumping to topics I needed in this well written book and recommend picking it up to everyone. Maybe even follow with DO294 course after to get some automation skills as well. (Posted March 2023)

Amazon Customer Apr 24, 2023

As a longtime user of RHEL, it’s always exciting to see a new version that highlights performance, security, and manageability improvements. I’ve relied heavily on RHEL for over 20 years to run critical web-based workloads that include Python, Java, NodeJS, PHP, MySQL, and Postgres applications. RHEL has never let me down. Occasionally, I’ve tried other Linux distributions that may have offered more cutting versions of core components or features at the time. Still, I’ve always gone back to using RHEL for its stability and long-term support. If you need stability, then RHEL is for you.The RHEL 9 Administration book, co-authored by four Red Hatters, is a comprehensive guide for beginners and those targeting a Red Hat Certified System Administrator certificate. The authors included guided exercises to help readers apply their knowledge to practical use cases. The book weighs in at 530 pages and covers various topics such as installation, best practices, and recommendations for configuration, tooling, and getting started with Ansible for the automation of provisioning and administration of RHEL 9.The authors are careful to call out topics not covered RHSCA exam so the readers know not to spend too much time on specific subjects if they plan to take the test. The authors target newbies who have never installed RHEL to experienced system administrators who might want to know how to install RHEL on a hyper-scaler such as AWS or Google Cloud. Overall, the authors do a great job of targeting the middle so that there is something for everyone at all technical levels.If you have an eye for the future, the authors end the book with a comprehensive overview of Podman, Buildah, and Skopeo. These are tools used for building and managing containers. According to Gartner, 75% of organizations globally will be running containerized workloads in production in 2022, up from around 30% in 2020. (Casey, 2022) Podman is an open-source Docker-compatible replacement that readers can run on Linux, macOS, and Windows.Overall, this book is of great value and an essential reference book for anyone who needs or wants to use RHEL 9.

Shashank May 11, 2023

This book covers all the basic topics with clear explanations and it’s very helpful for anyone looking to learn Linux basics or pass the certification exam. Highly recommended this book

Franz K. Jan 24, 2024

Its's very clear, complete and easy to follow, step by step; I a would recommend it for everyone who likes to learn with the help of a book. Of course the focus is on RedHat but it's perfect to learn Linux anyway, focusing on admin tasks and taylored for the RHCS9. Thank's to the authors, this is a lot of work.

Red Hat Enterprise Linux 9 Administration: A comprehensive Linux system administration guide for RHCSA certification exam candidates , Second Edition

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