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 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.
Practice installing Docker on Fedora and learn about the different components that make up Docker Engine.
Practice installing Docker on Debian and learn about the different components that make up Docker Engine.
Practice installing Docker on Ubuntu and learn about the different components that make up Docker Engine.
Can you resolve issues with a Node.js container's termination process to ensure graceful shutdown on 'docker stop'?