Updating the Central Node component

You can upgrade the component to version 5.0 only from version 4.1. If you are using an older version, you must upgrade it to 4.1 in the following order: 3.7 → 3.7.1, 3.7.1 → 3.7.2, 3.7.2 → 4.0, 4.0 → 4.1.

To update the Central Node component on the server with this component, you must first run the script kata-upgrade-preparation. The script is included in the program distribution kit.

To update the Central Node component:

1. Place the script package on the server hosting the Central Node component.
2. Sign in to the management console of the Central Node server where you want to update the component via SSH or through the terminal.
3. Install the package by running sudo pip3 install /tmp/upgrade_preparation-1.0-py3-none-any.whl.
4. Run the script by running the command sudo /usr/local/bin/kata-upgrade-preparation.
5. Run the disk image containing the Central Node and Sensor components.
6. Complete the steps to deploy the component.
7. Set the sizing parameters of the program in the web interface for sizing management.

The Central Node component will be updated.

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