Challenge, Medium, on
Make a Container Restart Automatically After Docker Host Reboot
Learn how to configure a Docker host and its containers to automatically restart when the server reboots or the Docker daemon restarts.
Submissions: 36/55
Challenges
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.
Official Collection
Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.
Challenge, Medium, on
Make a Container Restart Automatically After Podman Host Reboot
Unlike Docker, Podman is daemonless and requires some extra systemd help to monitor and restart containers. Learn how to configure a Podman host and its containers to automatically restart after a server reboot.
Submissions: 9/13
Challenge, Easy, on
Gracefully Stop a Container With a Lengthy Shutdown Sequence
Learn how to properly stop a Docker container whose application needs more than the default 10 seconds to shut down gracefully.
Submissions: 15/31
Run a Sidecar Container in the Namespace of Another Container
Learn how to run multiple Docker containers sharing the same PID, IPC, and network namespaces - a foundation of many advanced container use cases, including Kubernetes Pods construction and container debugging tools.
Submissions: 181/349
Community Collection
Challenges contributed by the community members sharing their knowledge and expertise.
Challenge, Medium, on
Hardening Docker Containers Using gVisor Runtime
by Omkar Shelke
Configure Docker to use gVisor (runsc) as the default runtime and verify kernel isolation between the host and containers.
Submissions: 5/6