Focused, hands-on DevOps and server-side problems with hints, feedback, and automated solution checks.
Use emptyDir volumes to share data between containers, understand the volume lifecycle across container restarts and pod deletion, and explore memory-backed ephemeral storage.
Use Kubernetes image volumes to mount a static HTML artifact into an nginx Pod without an init container or a custom nginx image.
Practice mapping existing directories to new paths using Linux bind mounts and see the core tech behind container volumes in action.
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.
