Jupyter Notebook 5.2.2 started with an empty token: the web UI and its API need no login, so a visitor opens a terminal or a notebook kernel and runs commands on the server.
Not startedDockercommit a10241ax86_64 · aarch64Secret
Use the unauthenticated Jupyter Notebook to run commands on the server and get a shell.
The brief for this lab lives in its repository.