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Learn Linux command line through a wargame. Start at level 0 with zero experience needed.
VisitFree, structured lessons from the command line to system admin. Great for absolute beginners.
Visit
30-day challenge to learn Linux server admin. One lesson per day, all free on GitHub.
VisitThe definitive free book by William Shotts. Covers everything from basics to shell scripting.
VisitClear networking fundamentals explained visually. Subnetting, VLANs, routing — all covered.
VisitInteractive subnetting exercises. Practice until CIDR notation feels second nature.
VisitEnergetic networking and IT tutorials. Makes complex topics approachable and fun.
VisitOfficial Docker docs walkthrough. Build, run, and deploy your first container in minutes.
VisitDevOps and container tutorials explained clearly. Her Docker and Kubernetes series are top-tier.
VisitTested hardware at every budget
The ultimate starter board. Cheap, versatile, and runs everything from Pi-hole to Home Assistant.
~£80
Ryzen 9 mini PC that punches way above its weight. Perfect for Proxmox or a Docker host.
~£500
Reliable 4-bay NAS with great software. Ideal for backups, media, and Docker containers.
~£550
Managed 8-port gigabit switch with VLAN support. The cheapest way to segment your network properly.
~£30
