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.
Create two partitions on a blank disk: one smaller ext4 for service logs and the rest btrfs for service data. Mount both and prove they work.
Practice creating a fresh GPT partition, formatting it as ext4, and mounting it on the filesystem tree.
Practice configuring Kubernetes to pull images from a private registry and run Pods with authenticated registry access.
Practice formatting drives in Linux: identify the drive, format it as ext4, mount it, and verify the filesystem works as expected.
CTF-style challenge: discover an unmounted device, mount it, and read the flag file from it.
Hone your Linux networking skills by setting up routing that lets two isolated private networks communicate.
Run a container using the 'docker run' command, overriding the default container command and arguments.
Practice starting containers in "detached" mode, leaving them running in the background, reading their logs, and re-attaching to them.
Run a container using the 'docker run' command. That's it - that's the challenge.