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Labs

Manage Kubernetes Security and RBAC for CKA

In this lab, you'll practice with Role Based Access Control (RBAC) to restrict the operations the different K8S users can perform. You will allow Pods to access the kube-apiserver and also prevent Pods from getting created when they don't meet certain policies. You will also use Secrets to securely manage sensitive data within your cluster. When you're finished, you'll have the required skills to securely manage the data, users and processes running in your clusters.

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Lab platform
Lab Info
Rating
(53)
Level
Beginner
Last updated
Aug 04, 2025
Duration
1h 20m

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Table of Contents
  1. Challenge

    Get Started in the Lab Environment

    Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!

  2. Challenge

    Use RBAC to Limit User Permissions

    To start the lab, you'll understand the differences between Roles and ClusterRoles. You will also create RBAC policies to limit the access an user has over the cluster's resources.

  3. Challenge

    Allow a Pod to Communicate with the API Server

    In this challenge you will create a Service Account and give it permissions to create Pods. You will then run a Pod using your new Service Account and ensure it can authenticate against the Kubernetes API Server to create Pods.

  4. Challenge

    Enforce Security Standards While Creating Pods

    You now will look into applying Pod Security Standards to your namespaces. You will understand and implement the required changes in your Pod definition to ensure the security standards are met.

  5. Challenge

    Store Secrets in Kubernetes

    Finally, you will use Kubernetes Secrets to manage and store the sensitive information within our cluster. In particular, you will be securing the password used by a MySQL database.

  6. Challenge

    The Last Challenge

    Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

About the author

Antonio is a DevOps Engineer who loves to experiment with cutting-edge technologies.

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