Linux

Go beyond writing kernel modules and learn how real Linux GPU drivers are built. Starting with GPU architecture and the graphics stack, this hands-on guide walks you through creating a complete DRM driver, from a minimal module to memory management, command submission, display support and error recovery.

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.

Building fast LLM inference is about far more than turning the right knobs. This book takes you inside vLLM and the systems behind it, showing how memory, scheduling, GPUs and distributed serving shape real-world performance. Learn how to measure what matters, find bottlenecks and build inference infrastructure that scales without wasting money.

Linux System Hardening is a practical guide to securing Linux systems from the kernel to the cloud. It explains how threats work, how to apply effective controls and what you give up along the way. Built for admins, security engineers and DevSecOps teams working with real production systems.

What if one physical server could run several independent Linux kernels at the same time? Multikernel Linux explores the technologies behind it, from virtualization and bare-metal partitioning to CPU, memory, devices, networking and storage. It moves from core concepts to practical production setups, with a focus on what really works and why.

Take control of your storage with FreeCORE: The Complete Guide. From your first installation to advanced ZFS management, network shares, security, backups and performance tuning, this practical guide shows you how to build, manage and troubleshoot a reliable NAS with confidence, whether you are running a home lab or a production environment.

Shadow IT is everywhere, from unsanctioned apps to forgotten cloud resources. This practical guide shows IT and security teams how to find what they cannot see, assess the risks and put effective controls in place without slowing the business down. Packed with practical strategies, code examples and clear roadmaps, it turns Shadow IT from a hidden risk into something you can manage.

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.

Memory is at the heart of Linux performance. This book explains how the kernel manages it from virtual memory and page allocation to NUMA, cgroups and real-world optimization. Learn through clear explanations, kernel source examples and practical exercises you can run yourself.

Build a Stronger Technical Brand. Write Better Code. Publish with Confidence.The Official Ahmed Adawy Tech Capsules Guide is a practical resource for creating clear, consistent, and professional technical content. Learn how to structure technical explanations, present code examples more effectively, maintain technical accuracy, and build a recognizable identity for your educational and publishing projects.

Master Linux from zero to senior DevOps engineer with this comprehensive production-grade guide. Covers 1500+ commands, 500+ interview questions, and 100+ real-world troubleshooting scenarios.

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.

The ultimate practical guide designed to fast-track your technical skills without the fluff. Whether you are a developer, student, or DevOps engineer, this essential reference delivers actionable insights to solve real-world problems instantly. Master your craft and stream-line your workflow today!

When production breaks, the answer is in a log file on a server somewhere. grep, curl, jq, Bash, and Docker — your survival kit, with 100 exercises.

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.