Hands-on labs in your browser
Every lesson comes with your own isolated Linux machine, right next to the text. Ready in seconds, nothing to install, yours to break.
root@lab:~#
○ Create a directory called lab
○ Write hello into ~/lab/notes.txt
Reading about commands only gets you so far. Here you run them.
Read the chapter on the left. Next to it, a terminal is already connecting.
A fresh, isolated virtual machine starts for you in seconds. You are root. Break things freely; nobody else is on it.
Type the commands for real, then hit Check my work. Each step is verified on your machine, with a hint when something is off.
Everything runs in the browser tab. No VirtualBox, no Docker Desktop, no cloud account.
A Firecracker microVM with its own kernel and internet access: the same tech behind AWS Lambda.
Each learner gets an isolated machine that is thrown away after the session. rm -rf / away.
Lessons come with tasks that are checked on your machine, so you know when you got it right.
Each path has its own lab machine, set up for what you are learning.
Master Linux system administration from fundamentals to advanced topics. Build the foundation every DevOps engineer needs.
Ubuntu 24.04 with root access
$ ls -la /etc
$ systemctl list-units --type=service
$ ps aux --sort=-%mem | head
Master containerization with Docker. Learn to build, ship, and run applications anywhere with container technology.
Docker Engine, Compose and buildx, ready to run
$ docker run -d -p 8080:80 nginx
$ docker build -t my-app .
$ docker compose up
Master container orchestration with Kubernetes. Deploy, scale, and manage production-grade applications with confidence.
A single-node Kubernetes cluster with kubectl
$ kubectl get nodes
$ kubectl create deployment web --image=nginx
$ kubectl get pods -A
LiDoKu provides comprehensive training and resources for modern DevOps technologies. Whether you're a beginner or an experienced professional, our courses are designed to help you master Linux, Docker, and Kubernetes.
Our mission is to make infrastructure and container technologies accessible and practical for everyone in the software development ecosystem.
Led by an industry expert
Head of Cloud DevOps/SecOps/SRE
Strategic Leader in Infrastructure & Developer Experience
With over 20 years of experience driving CloudOps, AI Operations, Platform Engineering & Compliance, Suma brings deep expertise and real-world insights to every course.
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