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.
Explore the key container management operations by walking through all the phases of the container lifecycle - from creation to termination and removal.
Learn the difference between stopping and permanently removing containers while operating a personal finance tracker application.
Learn how to execute commands inside running containers using 'docker exec' - a crucial skill for debugging containerized applications and exploring container environments.
Learn how to override a container's default entrypoint to run an interactive shell instead of the intended application, a useful technique for debugging and exploring containerized applications.
Prove your SRE skills - identify and stop an overloaded container, then start a new one with limited CPU and RAM resources.
Can you start a container using the default containerd CLI, ctr? Knowing how to use ctr may come in handy when you need to debug lower-level container issues.