Challenge, Easy, on
Pause and Resume Linux Processes with cgroup Freezer
Practice pausing (freeze) and resuming (thaw) a resource-hungry Linux process using the cgroup v2 freezer mechanism.
Submissions: 177/450
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.
Diagnose and Resolve Stability Issues in a Go Application Deployment
This challenge focuses on debugging memory usage issues in a Go application deployed in a Kubernetes cluster. The goal is to ensure the application can handle moderate traffic without crashing, even when it runs with significantly constrained memory resources.
Submissions: 245/503
Make a Kubernetes Pod Survive an OOM Event Without Restarting
Hack your way through this challenge making the OOM kills invisible again.
Submissions: 82/322
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.
Submissions: 98/186