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.
Learn how to execute commands inside running containers using 'docker exec' - a crucial skill for debugging containerized applications and exploring container environments.
Can you resolve issues with a Node.js container's termination process to ensure graceful shutdown on 'docker stop'?
Can you make a container exit gracefully after the 'docker stop' command while preserving its extensible entrypoint mechanism?
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.
Practice copying files to/from running containers to become a container troubleshooting wizard.
Can you unpack the filesystem of a container image into a local directory?
Practice your container debugging skills by editing a file in a running container.
Can you edit a file in a running container? What if there is no shell?
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?