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Secure Shell: SSH Configuration

If you're interested in working with Linux, you need to be able to understand the Secure Shell (SSH) service. SSH is used for hundreds of purposes from automation, to manual management, to deployment of new services. In this lab, you'll be able to practice some configuration changes with SSH, including changing a node port and disabling `root` login.

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Lab Info
Level
Beginner
Last updated
Sep 20, 2025
Duration
15m

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Table of Contents
  1. Challenge

    Update the Secure Server's configuration file to the desired end state.

    First, connect to the secure server. Then locate and edit the SSH daemon configuration file. Make the required changes to the port and root login settings, save, and quit.

  2. Challenge

    Update the Jump Server's configuration file to the desired end state and test the configuration.

    First, connect to the jump server. Then locate and edit the SSH client configuration file. Make the required changes to the port, save, and quit.

    Finally, attempt a connection from the jump server to the secure server and see if it works, both as root and as cloud_user.

    As long as the verification works, you're done! Congratulations!

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