Red Hat Enterprise Linux 9 Administration

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Key FeaturesBecome a pro at system administration from installation to container managementSecure and harden your Linux environment using SSH, SELinux, firewall, and system permissionsGain confidence to pass the RHCSA exam with the help of practice testsBook 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 learnBecome well versed with the fundamentals of RHEL9-from system deployment to user managementSecure a system by using SELinux policies and configuring firewall rulesUnderstand LVM to manage volumes and maintain VDO deduplicationManage a system remotely using SSH and public key authenticationGet the hang of the boot process and kernel tunable to adjust your systemsAutomate simple tasks using scripts or Ansible PlaybooksWho 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 ContentsGetting RHEL Up and RunningRHEL 9 Advanced Installation OptionsBasic Commands and Simple Shell ScriptsTools for Regular OperationsSecuring Systems with Users, Groups, and PermissionsEnabling Network ConnectivityAdding, Patching, and Managing SoftwareAdministering Systems RemotelySecuring Network Connectivity with firewalldKeeping Your System Hardened with SELinuxSystem Security Profiles with OpenSCAPManaging Local Storage and FilesystemsFlexible Storage Management with LVMAdvanced Storage Management with Stratis and VDOUnderstanding the Boot ProcessKernel Tuning and Managing Performance Profiles with tunedManaging Containers with Podman, Buildah, and SkopeoPractice Exercises - 1Practice Exercises - 2


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