Install Docker Engine on Debian
Practice installing Docker on Debian and learn about the different components that make up Docker Engine.
Submissions: 486/605
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.
Install Docker Engine on Fedora
Practice installing Docker on Fedora and learn about the different components that make up Docker Engine.
Submissions: 470/575
Install Docker Engine on Ubuntu
Practice installing Docker on Ubuntu and learn about the different components that make up Docker Engine.
Submissions: 1092/1768
Challenge, Easy, on
Start and Inspect a Container With contaiNERD CTL (nerdctl)
Explore how nerdctl tries to look like Docker when it comes to UX. Are containers started with nerdctl any different from those started with Docker 🐳?
Submissions: 509/696
Challenge, Easy, on
Label a Container Image Using ctr
Learn how to label container images using the ctr command.
Submissions: 264/307
Challenge, Easy, on
Pull Container Images Using ctr
Learn how to pull container images from different registries using the ctr command.
Submissions: 369/492
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: 285/388
Challenge, Easy, on
Working With containerd Namespaces
Learn how to work with containerd namespaces using the ctr command-line client.
Submissions: 266/479