To uninstall the Change Guardian server:
Log in to the Change Guardian server as root.
NOTE:You must use the same user account to uninstall the Change Guardian server you used to install it. For example, a non-root user, can uninstall the Change Guardian server if a non-root user performed the installation.
Access the following directory: /opt/novell/sentinel/setup/
Run the following command: ./uninstall–changeguardian
When prompted to reconfirm that you want to proceed with the uninstall, press y. The script first stops the service and then removes it completely.