Dragonfly Bsd System Design And Administration
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DragonFly BSD System Design and Administration
"DragonFly BSD System Design and Administration" "DragonFly BSD System Design and Administration" is a comprehensive guide to the theory and practice behind one of the most innovative BSD operating systems. Beginning with an exploration of the project’s evolution from its FreeBSD heritage, the book delves deeply into DragonFly BSD’s architectural foundations, including its distinctive kernel structure, modular subsystems, advanced message passing, and the powerful Lightweight Kernel Threads (LWKT) model. Readers are guided through the intricacies of system initialization, userland interactions, and runtime extension via kernel modules, building a up a thorough understanding of the system’s unique design philosophy. Distinctive features such as the HAMMER and HAMMER2 filesystems are explained in detail, covering their transactional models, clustering capabilities, data deduplication, and integrity mechanisms. The book provides clear operational guidance on deploying, maintaining, and migrating between these advanced filesystems, equipping administrators to fully leverage their backup, replication, and disaster recovery features. Networking is treated with equal depth: from MP-safe stack design and high-performance packet filtering, to secure VPN integration and real-time diagnostics, readers learn how to build robust, scalable, and secure network backbones. Beyond core system mechanics, this handbook comprehensively addresses modern administration, security, and automation—from initial installation and scalable deployments to privilege separation, mandatory access controls, encrypted filesystems, and intrusion detection. Chapters on development tools and kernel hacking empower advanced users to build, profile, and extend the system, while coverage of contemporary topics like cloud deployments, clustering, containerization, and continuous integration showcases DragonFly BSD’s role in today’s dynamic infrastructure landscapes. This book is an essential resource for professionals seeking to master both the underlying principles and hands-on techniques vital for high-performance, secure, and maintainable BSD environments.
BSD Systems and Administration
"BSD Systems and Administration" BSD Systems and Administration provides a comprehensive and meticulously structured exploration of the BSD family of operating systems, encompassing FreeBSD, OpenBSD, NetBSD, and DragonFly BSD. Drawing on the rich historical legacy and robust architectural principles of BSD, this book delivers in-depth coverage ranging from foundational concepts—such as kernel organization, system modularity, and the unique BSD licensing model—to advanced topics like release engineering, documentation standards, and security branch management. Readers are guided through the intricacies of installation, platform compatibility, bootstrapping processes, initial configuration, and baseline hardening, ensuring a solid footing for both new and experienced system administrators. Building upon this foundation, the book delves into rigorous treatment of user and identity management, system security, networking, and data integrity. It offers authoritative guidance on authentication mechanisms, privilege delegation, filesystem security, and advanced resource auditing. Readers will find extensive coverage of cutting-edge hardening techniques, mandatory access controls, secure networking, firewalling, encryption, patch management, and intrusion response. The networking chapters dissect BSD's high-performance stack, interface configuration, routing redundancy, VPN deployment, and core network service management, enabling robust, scalable, and resilient infrastructure solutions. The latter chapters emphasize modern operational challenges, detailing software management via ports and packages, virtualization with jails and hypervisors, storage administration (including ZFS and GEOM), and comprehensive performance monitoring. The book culminates in advanced topics and future trends, such as BSD in cloud environments, embedded systems, cross-platform integration, DevOps automation, and participation in the open-source community. Through its holistic and practical approach, BSD Systems and Administration emerges as an indispensable reference for system professionals, IT architects, and anyone seeking mastery of BSD platforms in contemporary computing landscapes.
Linux Administration Best Practices
Author: Scott Alan Miller
language: en
Publisher: Packt Publishing Ltd
Release Date: 2022-03-03
Gain an understanding of system administration that will remain applicable throughout your career and understand why tasks are done rather than how to do them Key FeaturesDeploy, secure, and maintain your Linux system in the best possible wayDiscover best practices to implement core system administration tasks in LinuxExplore real-world decisions, tasks, and solutions involved in Linux system administrationBook Description Linux is a well-known, open source Unix-family operating system that is the most widely used OS today. Linux looks set for a bright future for decades to come, but system administration is rarely studied beyond learning rote tasks or following vendor guidelines. To truly excel at Linux administration, you need to understand how these systems work and learn to make strategic decisions regarding them. Linux Administration Best Practices helps you to explore best practices for efficiently administering Linux systems and servers. This Linux book covers a wide variety of topics from installation and deployment through to managing permissions, with each topic beginning with an overview of the key concepts followed by practical examples of best practices and solutions. You'll find out how to approach system administration, Linux, and IT in general, put technology into proper business context, and rethink your approach to technical decision making. Finally, the book concludes by helping you to understand best practices for troubleshooting Linux systems and servers that'll enable you to grow in your career as well as in any aspect of IT and business. By the end of this Linux administration book, you'll have gained the knowledge needed to take your Linux administration skills to the next level. What you will learnFind out how to conceptualize the system administrator roleUnderstand the key values of risk assessment in administrationApply technical skills to the IT business contextDiscover best practices for working with Linux specific system technologiesUnderstand the reasoning behind system administration best practicesDevelop out-of-the-box thinking for everything from reboots to backups to triagePrioritize, triage, and plan for disasters and recoveriesDiscover the psychology behind administration dutiesWho this book is for This book is for anyone looking to fully understand the role and practices of being a professional system administrator, as well as for system engineers, system administrators, and anyone in IT or management who wants to understand the administration career path. The book assumes a basic understanding of Linux, including the command line, and an understanding of how to research individual tasks. Basic working knowledge of Linux systems and servers is expected.