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Investigating Kubernetes Admission Controllers

Kubernetes provides tools and configuration files that can be used to gain information about the Kubernetes system. In this hands-on lab, you will be tasked with discovering which admission controllers have been enabled or disabled, as well as viewing information about admission controller resources.

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Path Info

Level
Clock icon Beginner
Duration
Clock icon 30m
Published
Clock icon Mar 24, 2023

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Table of Contents

  1. Challenge

    View the Enabled and Disabled Admission Controllers

    • Use a text editor/viewer to check the enabled and disabled admission controllers in the kube-apiserver.yaml file
    • Use the kubectl command to print a description of the kube-apiserver pod and view the enabled/disabled admission controllers

  2. Challenge

    View Information about Resources in the dev Namespace

    • Use the kubectl command to print a detailed description about the LimitRange resource in the dev namespace
    • Use the kubectl command to print a table of information about the LimitRange resource in the dev namespace
      • In addition, view this output in YAML format

  3. Challenge

    View Information about Resources in the test Namespace

    • Use the kubectl command to print a detailed description about the ResourceQuota resource in the test namespace
    • Use the kubectl command to print a table of information about the ResourceQuota resource in the test namespace
      • In addition, view this output in YAML format
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