Start / stop the AWS lab boxes used for the hands-on modules. The course site itself is serverless and always on — only these two EC2 instances cost money while running, and they stop automatically after 90 minutes of inactivity.
Same token as the progress tracker. Stored only in this browser.
Modules 1–6 run fine with podman on your own laptop. The EC2 boxes are for the parts that need a real cloud box: Grafana/Prometheus (module 7) and deploying to a live VPC. Keeping them stopped saves ~$40/mo — the start button above only spins them up when a module needs them.