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Actual exam question for Linux Foundation's CKS exam Question #: 60 Topic #: 5
You are managing a Kubernetes cluster for a critical application. The cluster is exposed to the internet and uses a service account with default permissions- You need to implement a security strategy that limits the privileges of the service account to only the necessary permissions to run the application.
Suggested Answer:
Solution (Step by Step): 1. Identify Necessary Permissions: Analyze the application's requirements to identify the minimal permissions required by the service account. This might include access to specific resources, such as pods, services, and config maps. 2. Create a Custom Role: Define a custom role using Role or ClusterRole in Kubernetes- - Create a YAML file for the Custom Role: 3. Bind the Role to Service Account Create a ROIeBinding or ClusterR01eBinding to associate tne custom role witn the service account. 4. Deploy the Role and ROIeBinding: Apply the YAML files using 'kubectl apply -f role.yaml and 'kubectl apply -f rolebinding.yamr Note: This is a basic example. You might need to refine the permissions based on your application's specific requirements.
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