68 lines
1.5 KiB
Markdown
68 lines
1.5 KiB
Markdown
# CKS-010 — Remove an exposed dashboard endpoint
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Domain: **1.4 Protect node metadata and endpoints**
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Time: **4 minutes** · Score: **Section B only**
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## Existing objects
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```yaml
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apiVersion: v1
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kind: Service
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metadata:
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name: kubernetes-dashboard
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namespace: kubernetes-dashboard
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spec:
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type: NodePort
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selector:
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k8s-app: kubernetes-dashboard
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ports:
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- port: 443
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targetPort: 8443
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nodePort: 30443
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---
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apiVersion: rbac.authorization.k8s.io/v1
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kind: ClusterRoleBinding
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metadata:
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name: dashboard-admin
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subjects:
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- kind: ServiceAccount
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name: kubernetes-dashboard
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namespace: kubernetes-dashboard
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roleRef:
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apiGroup: rbac.authorization.k8s.io
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kind: ClusterRole
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name: cluster-admin
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```
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## Task
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The dashboard must remain reachable only inside the cluster and must no longer hold `cluster-admin` privileges. Modify/delete only what is necessary, then verify both outcomes.
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## Section B — scored answer
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```bash
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k delete clusterrolebinding dashboard-admin
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k edit service kubernetes-dashboard -n kubernetes-dashboard
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kubectl get service kubernetes-dashboard \
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-n kubernetes-dashboard \
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-o jsonpath='{.spec.type}{"\n"}{.spec.ports[*].nodePort}{"\n"}'
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kubectl get clusterrolebinding dashboard-admin
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```
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```yaml
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apiVersion: v1
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kind: Service
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metadata:
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name: kubernetes-dashboard
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namespace: kubernetes-dashboard
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spec:
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type: ClusterIP
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selector:
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k8s-app: kubernetes-dashboard
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ports:
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- port: 443
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targetPort: 8443
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```
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Say **Grade CKS-010** when saved.
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