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Verify Kubernetes Binaries

Compromised Kubernetes binaries could be used to gain access to your systems. In this lab, you will mitigate this threat by verifying these binaries before they are executed.

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Labs

Path Info

Level
Clock icon Advanced
Duration
Clock icon 30m
Last updated
Clock icon Sep 02, 2025

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Table of Contents

  1. Challenge

    Locate and Download the Checksums for the Binary Files

    The binary files are located in /home/cloud_user/k8s-binaries/.

    Your coworker has left the version number they used in a file called version.txt. Check this file for the version number. Don't try to check the version by running any of the binaries before you have verified them (e.g., with a command like kubectl version)! All of the binaries are the same version.

    Use the version number to download the correct checksum file for each of the binary files. Download the checksums to the same directory the binaries are located in (/home/cloud_user/k8s-binaries/).

  2. Challenge

    Verify the Binaries and Delete Any That May Contain Malicious Code

    Use the checksums to verify all of the binaries contained in /home/cloud_user/k8s-binaries/.

    Delete any binary files that fail checksum verification, as they could contain malicious code.

Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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We will provide the credentials and environment necessary for you to practice right within your browser.

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Follow along with the author’s guided walkthrough and build something new in your provided environment!

Did you know?

On average, you retain 75% more of your learning if you get time for practice.
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