You should be able to run all major operating systems supporting the x86_64 architecture. The following operating systems have already been tested by Catalyst or its customers:
You can use the image service to upload your own operating system image to the Catalyst Cloud. Please remember you can only run software that is owned by you, public domain or that you hold a valid license for. You have the freedom to choose what software you run and it is your responsibility to comply with the terms related to its usage.