Everything you need to get good at Linux Hub
Roadmaps, modules, concepts, articles, cheatsheets, and practical resources — all aggregated in one place.
The main ideas and theoretical pillars that explain how things work under the hood.
Specific subtopics, terminologies, and detailed deep-dive guides for this technology.
Step-by-step practical lessons with hands-on labs to build your real-world skills.
Structured guide pathways to lead you from absolute beginner to advanced developer.
In-depth technical guides and engineering notes.
Official links, extra documentation, and learning tools to help you practice.
Knowledge Graph
The foundational building blocks. Dive deep into theory and technical concepts to explore detailed subtopics, terminologies, and glossaries mapped inside each concept.
Knowledge Map
Detailed subtopics, terminologies, and technical guides. Dive straight into specific lessons and workflows mapped inside each concept.
Curriculum
Hands-on, topic-by-topic modules that walk you through real tools and workflows. Each module breaks down a complex concept into structured lessons you can complete at your own pace.
Learn Linux for DevOps from scratch - file system, permissions, processes, bash scripting, and production server management.
Career Blueprints
Step-by-step career blueprints that show you exactly what to learn and in what order. Follow a roadmap from absolute beginner to confident, job-ready engineer without the guesswork.
Dive into a complete beginner-friendly roadmap spanning local Linux foundations, version control, build streams, pipeline automation and cloud deployments securely.
Guides
In-depth technical guides, architecture breakdowns, and best practices written by engineers who have used these tools in real production environments — not just tutorials, but actual engineering insight.
The exact sequence of Linux commands to run when a production server is degraded — CPU, memory, disk, network, logs, and real incident examples.
Quick Lookups
Compact, well-organized reference sheets for commands, flags, syntax, and configurations. Built for speed — open one alongside your terminal and get the answer in seconds without breaking your flow.
The complete Linux command reference for DevOps engineers — file system, processes, networking, SSH, systemd, and bash one-liners for production.
Validate your technical understanding and check your scores, or explore the full platform learning roadmap.
Complete overview mapping DevOps concepts for Linux Networking and Security.
Learn shell scripting and Bash for DevOps - write production scripts, automate tasks, handle errors, and schedule with cron.
Launch an AWS EC2 Ubuntu server, configure SSH security, set up a firewall, create user accounts, and deploy a web application with Nginx as a reverse proxy.
Master Linux kernel internals for SRE work - process lifecycle, memory management, cgroups, namespaces, CPU scheduler, and production diagnosis using /proc, strace, and eBPF.
Master AI-powered IT operations from Linux fundamentals to autonomous AI agents that detect, diagnose, and self-heal production systems at enterprise scale.
From zero to production-grade DevSecOps engineer - master every security tool, pipeline control, and cloud hardening skill the industry demands in 2026.
Practical Bash scripting reference — variables, conditionals, loops, functions, arrays, and error handling for real automation scripts.
Essential Linux command reference - filesystem, permissions, process management, disk usage, networking, and systemd for daily server work.