![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Stop the OpenXPKI service using openxpkictl stop.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Install the openca-tools package using aptitude install openca-tools.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Start the OpenXPKI service using openxpkictl start.
Test the service using any client, such as certnanny with SSCEP.
Note: SSCEP is a command line client for SCEP. You can download SSCEP from https://github.com/certnanny/sscep.