Andrey Markelov – författare

Teaches you how and what to study in order to be best prepared for the Certified OpenStack Administrator exam. This fast-growing technology is creating a market that needs more qualified IT specialists with proven skills. This book covers 100% of the exam requirements for both The OpenStack Foundation and the Mirantis OpenStack Certification Exam.Each theme is taught using practical exercises and instructions for the command line and for the graphical client (Horizon). Each chapter is followed by review questions, complete with answers. Even after you have taken and passed your OpenStack exam, this book will remain a useful reference. What You Will LearnUnderstand the components that make up the cloud.Install and make an OpenStack distribution from Mirantis, Red Hat or another community version.Work with OpenStack Identity Management, Dashboard, CLI, Object Storage, Block Storage, Networking, Telemetry, Orchestration, and Image Services.Learn how to troubleshoot all the main OpenStack services.Understand where to find information for future work with OpenStack.Who This Book Is ForCertified OpenStack Administrator Study Guide is for Cloud and Linux engineers looking for a better understanding of how to work with the modern OpenStack IaaS Cloud, and wants to prove their knowledge by passing a Certified OpenStack Administrator Exam. 

Gain a better understanding of how to work with the modern OpenStack IaaS Cloud platform. This updated book is designed to help you pass the latest “Yoga” version of the Certified OpenStack Administrator (COA) exam from the Open Infrastructure Foundation. OpenStack is a cloud operating system that controls large pools of computer storage and networking resources throughout a datacenter.All exercises have been updated and re-written for the current version of the exam using the modern CLI tool. This book covers 100% of the exam requirements and each topic is taught using practical exercises and instructions for the command line and for the Horizon dashboard. All chapters are followed by review questions and answers. Even after you have taken and passed the COA exam, this book will remain a useful reference to come back to time after time.What You Will LearnUnderstand the components that make up the CloudInstall OpenStack distribution from Red Hat, Canonical or community versionsRun OpenStack in a virtual test environmentUnderstand where to find information for to further work with OpenStackWho This Book Is ForCloud and Linux engineers who want to pass the Certified OpenStack Administrator Exam.

Gain a better understanding of how to work with the modern OpenStack IaaS Cloud platform. This updated book is designed to help you pass the latest “Yoga” version of the Certified OpenStack Administrator (COA) exam from the Open Infrastructure Foundation. OpenStack is a cloud operating system that controls large pools of computer storage and networking resources throughout a datacenter.

All exercises have been updated and re-written for the current version of the exam using the modern CLI tool. This book covers 100% of the exam requirements and each topic is taught using practical exercises and instructions for the command line and for the Horizon dashboard. All chapters are followed by review questions and answers. 

Even after you have taken and passed the COA exam, this book will remain a useful reference to come back to time after time.

What You Will LearnUnderstand the components that make up the CloudInstall OpenStack distribution from Red Hat, Canonical or community versionsRun OpenStack in a virtual test environmentUnderstand where to find information for to further work with OpenStackWho This Book Is ForCloud and Linux engineers who want to pass the Certified OpenStack Administrator Exam. 

This book is the ultimate study companion for Red Hat's RHCSA certification, aligning with the release of Red Hat Enterprise Linux (RHEL) 10 in 2025.As the foundational certification for Enterprise Linux administrators,  the RHCSA exam validates essential system administration skills. This book is designed to sit along aside official documentation and study guides and covers all exam topics. Its primary objective is to help readers pass the practical exam by emphasizing real-world system administration tasks through a hands-on, task-based approach. Additionally, all examples and lab exercises will be accessible via GitHub for further practice.The book is structured into twelve chapters, each addressing critical exam objectives, including system operations, networking, security, storage, and automation. Early chapters introduce fundamental Linux tools, shell scripting, and system management, while later sections cover advanced topics such as user and group administration, SELinux security, and container management. Each chapter contains practical exercises and review questions to reinforce learning. Key topics include configuring local and network storage, managing file permissions, scheduling tasks, securing SSH authentication, and deploying services within containers.With a focus on practical skills, the book ensures readers gain hands-on experience with tasks such as system boot troubleshooting, process management, and configuring network firewalls. The annex provides answers to all review questions, offering a valuable self-assessment resource. Whether you are new to Linux administration or seeking certification to advance your career, this book serves as a comprehensive and structured study guide to mastering RHCSA 10.What You'll Learn:Master the process of RHEL installation, partitioning, and network configuration.Study logical volume management (LVM), disk partitioning, and mounting file systems, ensuring you can handle storage challenges with confidence.Learn Firewall configuration with firewalld, SELinux management, and basic security hardening techniques are crucial in today's threat landscapeThis Book is for:Individuals new to the field of Linux system administration.IT Professionals Seeking to Enhance Linux Skills.Developers and DevOps Engineers since a solid understanding of Linux system administration is crucial in modern development and DevOps environments.