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, Easy, on Containers, Linux

Docker 101: Signal a Running Containerized Application

Practice using UNIX signals with containers for controlling application behavior: Send a SIGUSR1 to a containerized app to trigger its memory usage reporting.

docker containers-101 container-runtime os-signal

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

Challenge, Easy, on Containers, Linux

Docker 101: Pass Environment Variables to Containers

Discover why host environment variables aren't visible to containers and how to properly pass them to containerized applications in Docker.

docker containers-101 container-runtime

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

Challenge, Easy, on Containers, Linux

Docker 101: Run a TTY-controlled Container and Explore the Effect of the -t Flag

Learn when to use the -t flag in 'docker run' to allocate a pseudo-TTY (terminal) for containers, enabling terminal-specific features like cursor control, colors, and signal handling.

docker containers-101 container-runtime tty

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