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  1. Following the Licensing Procedure, deactivate your existing license on the Chariot MQTT Server.

    Tip
    If deactivating offline, make sure to send the generated Deactivation Request text to support@cirrus-link.com


  2. Backup your Chariot configuration using the Backup/Restore feature. To do this navigate to System in the left menu bar of the Chariot MQTT UI, select Backup/Restore and Export Backup

  3. Save the backup.tgz file created in a safe, known location as you will need to restore it after the upgrade.

  4. Stop the Chariot service. From a command prompt, run the Chariot service stop script in the installed directory

    Code Block
    # Use this command for Chariot versions prior to 2.4.1
sudo /etc/init.d/chariot stop

# Use this command for Chariot v2.4.2 and later
sudo systemctl stop chariot


  5. Install the new version of Chariot following the Chariot MQTT Server Installation instructions in a new Chariot directory. 

    Warning
    Do not overwrite the old version of Chariot when extracting the Chariot ZIP package, but instead create a new Chariot directory and extract the new Chariot package into that new directory. For example:
    • Old version of Chariot is installed in /opt/chariotv2.1.*
    • New version of Chariot should be installed in /opt/chariotv2.*.*


  6. Start the new version of Chariot service. From a command prompt, run the Chariot service start script in the v2.*.* directory.

    Code Block
    # Use this command for Chariot versions prior to 2.4.1
sudo /etc/init.d/chariot start

# Use this command for Chariot v2.4.2 and later
sudo systemctl start chariot


  7. Clear your web browser cache after upgrading Chariot to pick up the latest Chariot UI features and updates.

  8. Verify the Chariot Version. Navigate to the server URL accessing the Chariot portal on port 8080 and viewing the Version under the Chariot Systems Status. For example: http://localhost:8080/ or http://18.206.192.214:8080/

  9. Restore your Chariot configuration using the Backup/Restore feature. To do this navigate to System in the left menu bar of the Chariot MQTT UI, select Backup/Restore and Restore from Backup. When prompted, navigate to the backup.tgz file created earlier and import.

  10. Confirm that any configuration items have been imported correctly.

  11. If configured for SSL, reload any SSL certificates.

  12. Following the Licensing Procedure, activate your existing license on the new Chariot MQTT Server to complete the upgrade. 

    Tip
    If activating offline, make sure to send the generated Activation Request to support@cirrus-link.com. They will return the Activation Code required to complete the upgrade.


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