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.
Master advanced Kubernetes Pod scheduling techniques! Learn to control workload placement using nodeSelectors, node/pod affinity/anti-affinity, and taints/tolerations.
Practice managing stateless applications using Kubernetes Deployments. Learn to scale, perform rolling updates, diagnose failures and execute rollbacks.
Practice diagnosing fundamental Kubernetes Pod startup and scheduling problems (Image Pull, Command Errors, Basic Scheduling) using core kubectl commands like describe and logs. This is Part 1 of the Pod Debugging series.
Practice the fundamental lifecycle of a Kubernetes Pod: creation, inspection (IP, node), interaction (executing commands, checking logs), and deletion.
Get hands-on with reading secrets from different providers and using them in your Dagger pipelines.
Learn how to install, update and uninstall Dagger module dependencies.
This exercise tests your ability to safely upgrade a multi-node Kubernetes cluster from version 1.30 to 1.31 following the standard upgrade procedure.
This exercise tests your ability to configure kubernetes network policies to make sure only pods with specific labels can communicate with each other.
Learn how to use Docker Scout to analyze and remediate vulnerabilities in a container image.