Challenge on ,
Edit a File in a Running Kubernetes Pod: a Tricky Case
Can you edit a file in a running Kubernetes pod? What if there is no shell inside and the container's user lacks the write permission?
Challenges
Focused, hands-on DevOps and server-side problems with hints, feedback, and automated solution checks.
Challenge on ,
Send a Signal to a Kubernetes App: a Non-Root Container Case
Learn how to send a signal to a Kubernetes app running in an unprivileged container without shell.