Challenges

Focused, hands-on DevOps and server-side problems with hints, feedback, and automated solution checks.

Challenge

Lock Down Container Syscalls With Seccomp Profiles

Run a Deployment under the container runtime's seccomp profile, roll out a custom profile to the worker nodes, and fix a profile that blocks a syscall the application needs.

Challenge

Roll Out Pod Security Standards Across Three Namespaces

The platform team is rolling out Pod Security Admission. A monitoring agent is already blocked, the storefront team needs a staged rollout, and payments must move to the strictest level without losing its running service.