Linux 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.

Pro Tip: Filter the list by tags, category, and difficulty to find challenges that match your proficiency level and interests, or explore our Skill Paths for a more guided learning experience.

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers, Linux

Ensure a Graceful Termination for a Container With an Entrypoint Script

Can you make a container exit gracefully after the 'docker stop' command while preserving its extensible entrypoint mechanism?

docker container-image os-signal shell

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers, Linux

Make the Container Exit When One of Its Processes Runs Out of Memory

Learn how to fine-tune the container's cgroup to make the container exit when one of its processes runs out of memory.

docker cgroups systemd oom

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Containers, Linux

Limit CPU and Memory Usage of a Docker Compose Application

Run a multi-container Docker Compose application limiting its total CPU and memory usage without specifying the individual container's limits.

docker docker-compose cgroups systemd

This challenge was prepared for you by the iximiuz Labs team.

Challenge, Medium, on Linux, Containers, Networking

Access a Docker Container With No Published Ports

Learn a bunch of Linux networking tricks while trying to access an Nginx server running inside a Docker container with no published ports.

containerd ctr docker socket

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