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Enabling Gossip Encryption in Nomad

By default, Nomad does not use any encryption between the agents running in Server mode. Encryption is available however, and can be enabled fairly easily. In this hands-on lab, you are provided with three servers built out as Server Agents, that are part of the same cluster. Your task is to enable Gossip encryption between the servers. Once enabled, you should still be able to see all three servers, and they should be able to continue to work together in the cluster.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 30m
Last updated
Clock icon Jul 25, 2025

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Table of Contents

  1. Challenge

    Log in to the Provided Servers

    1. Log in to the server using the credentials provided.
    2. Test to ensure that all server nodes are working in the cluster.

  2. Challenge

    Create the Required Key

    1. Use the appropriate process to create the required 16 bytes, base 64 encoded key.
    2. Copy the key as it will be used for the configuration of the servers.

  3. Challenge

    Enable Gossip Encryption on all Server Nodes and Restart

    1. Edit the Nomad configuration file on each of the server agents, and update the correct stanza to add the encryption.
    2. Once the changes have been made, restart each instance of Nomad.

  4. Challenge

    Ensure All Server Agents Are Working and Able to See Each Other

    1. Verify that you can see all three agents.
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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.

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