| Book Description | Develop the skills required to administer your RHEL environment on-premises and in the cloud while preparing for the RHCSA examPurchase of the print or Kindle book includes a free eBook in PDF formatKey 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 testsBook DescriptionWith 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 PlaybooksWho this book is forThis 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- Practice Exercises - 2 |
| About the Author | Pablo Iranzo Gómez is a software engineer whose Linux exposure began while studying physics, a period during which he was also involved in LUGs and some projects related to HPC clusters and system administration and consultancy. Currently, he is a senior software engineer in Red Hat's SolEng department, focusing on OpenShift, with experience in consulting, cloud technical account management, OpenStack software maintenance in industries such as hospitality, retail, airlines, government, telco, 5G, partners, and IT, covering system administration and automation, virtualization, PaaS, support, the cloud, and so on, having a broad understanding of different views, needs, and risks across the industry. Pablo was born and lives in Valencia, Spain with his family.Pedro is a Software Engineer that started his Linux adventure playing with Linux distributions provided on CD by magazines. He was also involved in LUGs while studying at Universitat de València. Currently, he is a Principal Software Engineer in the Red Hat's Telco 5G Field Engineering team, focusing on OpenShift, with experience in Automation, Security, High Availability and Databases. His experience is built in industries like Retail, Financial, Insurance and Telco. He has been involved in the design, configuration and deployment of complex IT systems including data storage, networking, monitoring, PaaS and SaaS systems where he has a broad understanding of different views, needs and risks across the industry. Pedro was born in Alcoy and lives in Valencia, Spain with his family.Miguel is an experienced technology enthusiast with a clear orientation towards IT, free/open source software and open standards. His career has grown in the IT field with connections in every direction. From User Support and Teacher; through Systems and Network Administration; to Systems Engineering, Systems Architecture, IT Strategy definition and now as Senior Manager for the Tanzu portfolio to bring Kubernetes closer to customers. He loves designing solutions and tools, making them useful and easy to use. |
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