labs
Boot a sandbox. Hit the checkpoints.
Each lab deploys a real environment with a terminal in your browser and checkpoints that verify state.
4 / 4 labs
docker LAB-001
Docker lab
A box with a real Docker daemon inside. Run images, inspect containers, publish ports, stream logs.
beginner ❯ terminal
launch ▸ sandbox LAB-002
Linux lab
A blank Ubuntu box with root. No goals, no checks — break whatever you want.
beginner ❯ terminal
launch ▸ pytorch LAB-003
PyTorch playground
Write tensor code in the editor and run it on a warm GPU runner. No setup, no drivers.
intermediate ⌨ editor
launch ▸ cuda LAB-004
CUDA kernels
Write a CUDA kernel with numba, launch it over a grid, and verify against the CPU.
advanced ⌨ editor
launch ▸