Learn Linux online — no setup, on a real cloud VM
A real Linux terminal on your own cloud VM, right in the browser. Solve exercises, get them checked automatically and learn to really secure a server. Free, GDPR-compliant, hosted in Germany.
A real VM beats an emulator
Real cloud VM, not an emulator
Your own Linux machine in the cloud — not a Linux imitation in JavaScript. Real commands, real consequences, real learning.
Automatic checks
Every exercise is verified on the live VM. You see immediately whether your solution actually works — no guessing.
No installation
Runs entirely in the browser. No VirtualBox, no WSL, no dual boot. Open the page and start.
Hosted in Germany, GDPR-compliant
VMs run on Hetzner servers in Germany. For schools: data processing agreement, class-code sign-in without student email.
From your first command to a secured server
- Linux basics
- Writing Bash scripts
- SSH
- File permissions (chmod/chown)
- Securing a server
- nginx and TLS
All course theory is free to read — browse the courses, no sign-up needed.
Learners, trainees, schools
Self-learners
Get into Linux without installing anything — at your own pace, with instant feedback.
IT trainees (FISI)
Practise the command-line and server topics that matter for the IT-specialist exam.
Schools and teachers
Manage classes, sign students in via class code — GDPR-compliant under a DPA. For schools
Have a project?
Tell us what it is about. In a first conversation we work out with you whether and how we can help – free and without obligation.
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