Focused hands-on problems designed to help you hone your DevOps or Server Side skills. Some challenges are more educational, while others are based on real-world scenarios. The platform provides hints and feedback for each challenge, including automated solution checks.
A Deployment is stuck with Pods in ContainerCreating state because the required ConfigMap was not created. Fix the issue to make the application accessible.
A web application is deployed but the website is not accessible. Investigate and fix the issue.
An ultimate Kubernetes debugging challenge: can you copy files to/from a running Pod that doesn't have a shell or other command line tools installed?
Practice copying files to/from running Kubernetes Pods to become a Kubernetes troubleshooting ninja.
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?
Be a networking Sherlock Holmes - find out which port a Kubernetes app uses and send a request to it.
Learn how to send a signal to an application running as a Kubernetes pod.
Learn how to send a signal to a Kubernetes app running in an unprivileged container without shell.
Learn how to send a signal to a Kubernetes app running in a container without shell.
