Challenge, Easy, on
Mount an Existing Directory at a New Location (bind mount)
Practice mapping existing directories to new paths using Linux bind mounts and see the core tech behind container volumes in action.
Submissions: 15/24
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.
Practice mapping existing directories to new paths using Linux bind mounts and see the core tech behind container volumes in action.
Discover why host environment variables aren't visible to containers and how to properly pass them to containerized applications in Docker.
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.
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.
Hone your Linux networking skills by setting up routing that lets two isolated private networks communicate.
CTF-style challenge: discover an unmounted device, mount it, and read the flag file from it.
Practice installing Docker on Debian and learn about the different components that make up Docker Engine.