LabsPartly open
Build it, break it, see the result
Reading tells you how a system should behave. A lab lets you find out. Pick a kind and a topic.
A web tier on AWS
Size an AWS web tier for launch day, then survive losing a zone.Cloud and DevOpsOpen labA web app on Kubernetes
Route traffic through an Ingress and a Service to a Deployment, and let the HPA size it.Cloud and DevOpsOpen labA Compose stack
Run a proxy, app containers and Postgres, and find which container limit bites first.Cloud and DevOpsOpen labOne Linux host
Put nginx, an app service and PostgreSQL on hosts and see which one runs out of cores.Cloud and DevOpsOpen lab
How a visual lab works
Build
Add parts from the list, link them and set their size. Switch between plain names and real AWS names at any time.Choose what to break
Open a part and press Break it. That only arms the failure. Nothing changes until you run.Press Run
The design plays through every scenario: normal traffic, the peak, and each failure.Read the checks
Every test case passes or fails on the board, with the number it measured and why. Fix one thing and run again.