# CKS-014 — Verify kube-apiserver Domain: **1.5 Platform binary verification** Time: **1 minute** · Reward: **100 XP + topic mastery** ## Task The binary and its official raw checksum are: ```text /opt/kubernetes/kube-apiserver /opt/kubernetes/kube-apiserver.sha512 ``` Write one command that feeds the raw hash and binary path to `sha512sum --check`. ## Section B — scored answer ```bash echo "$(cat /opt/kubernetes/kube-apiserver.sha512) /opt/kubernetes/kube-apiserver" | sha512sum --check ``` Say **Grade CKS-014** when saved.