Upgrade the repository and package manager metadata.

The upgrade procedure depends on the version of the used distributive and package manager.

Stop the agent 2.1 service:

systemctl stop ppem-agent

Install the version 2.2 agent.

The installation procedure is performed using the package manager.

Upgrade the configuration files in the /etc catalog.

Place the parameters into a new configuration file if required.

Start the agent 2.2 service:

systemctl start ppem-agent

Ensure that the agent service started successfully:

systemctl status ppem-agent