An explanation of role-based access control (RBAC) in Kubernetes, why it is hard to manage manually and practical strategies for simplifying RBAC in large-scale clusters.
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Kubernetes authentication presents a unique challenge. While Kubernetes defines the concepts of both user accounts and service accounts natively, it doesn’t provide us with a single, built-in method for authenticating those accounts. Instead, we must choose from a variety of techniques involving third-party tools or resources to perform Kubernetes cluster authentication.