To stop monitoring permanently for a particular agent, 

1. Uninstall the agent on the server.
2. Go to Settings, then select Monitoring > Hosts/Agents > Delete an agent.                                                                                                 To
   

To stop the agent service on your server: 

1. On Linux, run the command "yum remove cloudmon-agent".
   
2. On Windows, Navigate to Program Files(x86) > cloudmon > uninstall."