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A Practical Guide to Kubernetes

Exploring the RBAC Authorization

Explore the key elements of RBAC authorization in Kubernetes, including how Rules, Roles, Subjects, and RoleBindings work together to control access and secure your cluster. Understand how to assign permissions within namespaces and across clusters to manage user actions.

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The RBAC Components

Managing Kubernetes RBAC requires knowledge of a few elements. Specifically, we should learn about Rules, Roles, Subjects, and RoleBindings.

Rules

A Rule is a set of operations (verbs), resources, and API groups. Verbs describe activities that can be performed on resources that belong to different API Groups.

Currently supported verbs are as follows:

Verb Description
get Retrieves information about a specific object
list Retrieves information about a collection of objects
create Creates a specific object
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