Challenge, Easy, on
Label a Container Image Using ctr
Learn how to label container images using the ctr command.
Submissions: 267/311
Challenges
Focused, hands-on problems for sharpening your DevOps and server-side skills. Some teach specific concepts while others mirror real-world scenarios. Every challenge includes hints, feedback, and automated solution checks.
Challenge, Easy, on
Pull Container Images Using ctr
Learn how to pull container images from different registries using the ctr command.
Submissions: 374/497
Challenge, Easy, on
Tag and Push Container Images Using ctr
Learn how to tag and push container images to a remote registry using the ctr command.
Submissions: 287/392
Challenge, Easy, on
Working With containerd Namespaces
Learn how to work with containerd namespaces using the ctr command-line client.
Submissions: 267/480