Systems Administration

Master Nix without the usual frustration. This practical guide takes you from your first reproducible development environment to production ready infrastructure with clear explanations and real examples. Learn the patterns that help DevOps and platform teams build reliable systems that scale with confidence.

Cloud, Kubernetes, AI, security and automation have changed what DevOps really means. This book cuts through the hype with practical guidance for building reliable, scalable platforms using proven patterns, real production lessons and modern engineering practices that help teams move faster without sacrificing stability.

Build secure, modern infrastructure with confidence. This hands-on guide shows you how to use Tailscale, WireGuard and zero-trust networking to create reliable, observable systems that scale. Follow practical, production-ready examples you can apply right away without guesswork or unnecessary complexity.

Big migrations rarely fail because of code alone. The Migration Architect’s Handbook shows how to untangle dependencies, design the right repository strategy and move complex systems forward without bringing the organization to a halt. Built on real-world lessons, it turns daunting modernization efforts into practical, manageable work.

Most Bash scripts start small but end up running critical systems. This book shows you how to write shell scripts that are portable, secure, and reliable across Linux distributions. From fundamental scripting techniques to production-ready patterns, you will learn how to build automation that handles errors gracefully, avoids common pitfalls and remains easy to maintain as it grows.

Whether you're learning PowerShell or managing enterprise environments, this book is a practical reference for Windows PowerShell 5.1 and PowerShell 7+. It covers core concepts, scripting, automation and administration with clear examples based on official Microsoft documentation.

> 3:07 a.m. The pager goes off. Your database is down, the disk is full, and you're the on-call engineer holding the line. Open this manual to the playbook you need right now to diagnose, stabilize, and verify the fix -- fast.

Learn Linux with a practical, step-by-step guide that takes you from beginner to advanced user. Build real skills through hands-on examples and gain the confidence to use Linux in professional and everyday environments.

Build a powerful AI assistant that runs entirely on your own hardware. The Ollama Assistant Handbook takes you from installation to a production-ready assistant with memory, tools, voice, vision, and automation through practical, hands-on examples you can use immediately.

Ready to make the switch to Linux? *The Linux Migration Handbook* guides you through every step of the journey, from choosing a distribution and installing Linux to replacing your favorite apps and mastering the tools that make Linux powerful. Whether you want more control, better privacy, lower costs, or a deeper understanding of open source, this book helps you become a confident Linux user.

Go from your first Ansible playbook to enterprise-scale automation across hybrid clouds. This guide empowers sysadmins and DevOps pros with production-ready patterns for VMware, Kubernetes, and major cloud providers, helping you build secure, scalable infrastructure while avoiding common pitfalls.

Take Kubernetes beyond the basics and learn how to run clusters in production with confidence. Covering architecture, networking, security, observability, GitOps, and day-to-day operations, this practical guide is packed with hands-on examples, proven patterns, and real-world insights for managing Kubernetes at any scale.

Endpoint Detection and Response is at the core of modern cybersecurity. This book explores the technologies behind EDR, from kernel-level telemetry to threat hunting and zero-trust architectures, providing practical guidance for deploying and operating EDR at scale.

Infrastructure automation in 2026 is about building intelligent, resilient, and cloud-native systems at scale. Server Automation with Python: The 2026 Edition explores modern Python-driven workflows spanning GitOps, immutable infrastructure, cloud SDKs, chaos engineering, and AI-assisted development, providing practical guidance for creating secure, scalable, and self-healing platforms.

Master PostgreSQL administration with a practical guide to deploying, securing, optimizing, and operating production databases. Covering PostgreSQL 17 and 18, this book combines real-world examples, hands-on labs, and proven best practices for reliable, high-performance systems.