Red Hat Enterprise Linux 9 Administration: Master your Linux administration skills and prepare for the RHCSA certification exam, 2nd Edition

Red Hat Enterprise Linux 9 Administration: A comprehensive Linux system administration guide for RHCSA certification exam candidates, 2nd Edition 2nd edition
by Pablo Iranzo Gomez,Pedro Ibanez Requena,Miguel Perez Colino,Scott McCarty
Publisher Finelybook 出版社: Packt Publishing; 2nd edition (November 18, 2022)
Language 语言: English
pages 页数: 530 pages
ISBN-10 书号: 1803248807
ISBN-13 书号: 9781803248806

Book Description
Develop the skills required to administer your RHEL environment on-premises and in the cloud while preparing for the RHCSA exam
Purchase of the print or Kindle book includes a free eBook in PDF format

Key Features
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

Book 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

Who this book is for
This book is for Red Hat Enterprise Linux system administrators and Linux system administrators. It’s also a good resource for any IT professional who wants to learn system administration. RHCSA certification candidates will find this book useful in their preparation for the certification exam.

Table of contents
Getting RHEL Up and Running
RHEL 9 Advanced Installation Options
Basic Commands and Simple Shell Scripts
Tools for Regular Operations
Securing Systems with Users, Groups, and Permissions
Enabling Network Connectivity
Adding, Patching, and Managing Software
Administering Systems Remotely
Securing Network Connectivity with firewalld
Keeping Your System Hardened with SELinux
System Security Profiles with OpenSCAP
Managing Local Storage and Filesystems
Flexible Storage Management with LVM
Advanced Storage Management with Stratis and VDO
Understanding the Boot Process
Kernel Tuning and Managing Performance Profiles with tuned
Managing Containers with Podman, Buildah, and Skopeo
Practice Exercises – 1

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