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.

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Official Collection

Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.

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

Challenge, Easy, on Containers, Linux

Docker 101: Signal a Running Containerized Application

by Ivan Velichko

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

Ensure a Graceful Termination for a Containerized Node.js Application

by Ivan Velichko

Can you resolve issues with a Node.js container's termination process to ensure graceful shutdown on 'docker stop'?

docker container-image debugging os-signal node.js

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

by Ivan Velichko

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

docker container-image debugging os-signal go