Systems Administration

Linux is one of the best decisions you can make for your computer — but knowing where to start is the hard part. This guide walks you through everything: choosing a distribution, installing it, and using it confidently every day. It was written by Jay LaCroix of Learn Linux TV, for complete beginners. No prior experience required.

When a license renewal lands at 567% of last year's bill, renting your infrastructure stops being a strategy. This is the escape tunnel: a complete production build of Apache CloudStack 4.22 LTS — KVM, Ceph, OS10 leaf-spine — across a three-city UK estate, written by an engineer with 32 years of building the real thing. Own your cloud down to the last packet.

Linux Advanced for SysAdmin is designed to elevate your expertise, focusing on the intricate tasks critical for managing enterprise-level Linux environments. This book is structured to provide comprehensive insights and practical experiences across seven key areas, transforming you into a proficient and capable system administrator.This book will transform you into a proficient and capable system administrator, ready to tackle the challenges of modern IT infrastructure. By mastering these advanced topics, you will be wellequipped to manage and optimize large-scale Linux environments, ensuring their security, performance, and reliability

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.

Take OpenTelemetry from theory to production. This practical guide shows you how to design, deploy and operate observability at scale, with real configurations, proven architecture patterns and hands-on guidance for performance, security, troubleshooting and cost. Built for engineers who need telemetry that works when it matters.

A practical look at how the modern Internet edge really works. Explore DNS, BGP, TLS, HTTP/3 and the architecture behind content delivery, then apply that knowledge to building, securing and optimizing Cloudflare in production. No marketing fluff, just the engineering behind the edge.

Build Linux systems that do more than boot. This hands-on guide takes you from bootloader and kernel to secure updates, reproducible images, manufacturing and fleet operations. With runnable code and production-tested techniques, you’ll learn how to build Linux appliances designed for the real world.

PostgreSQL Under Load shows what really happens when production gets busy. Learn how connections, transactions, MVCC, locks, WAL and autovacuum interact under pressure, then use that knowledge to diagnose incidents, tune PostgreSQL and build systems that stay reliable when concurrency spikes.

The Linux command line has come a long way. This practical guide explores the modern tools that make everyday terminal work faster, cleaner and more enjoyable. Learn ripgrep, fd, bat, eza, fzf, zoxide, btop, dust and more, with real-world workflows and tips for leaving old-school Unix habits behind.

Take control of Windows Server automation from script to production. This practical guide shows you how to build secure, scalable infrastructure with PowerShell, DSC, Terraform and CI/CD. Learn proven patterns, avoid costly mistakes and tackle real-world deployment, security, monitoring and troubleshooting challenges with working code you can put to use.

Take control of your development stack from the ground up. This book shows you how to build and run your own Git hosting, CI/CD and engineering platform, from a single server to infrastructure built for thousands. Learn how the pieces fit together, why key decisions matter and where the trade-offs really are.

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.

Troubleshooting Linux systems can feel like solving a mystery—but the right strategies make all the difference. This ebook teaches practical techniques, tools, and real-world approaches that help you diagnose problems faster and fix them with confidence.

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.

Stop treating PostgreSQL like slightly broken MySQL and start using it the way it was designed.