In order to execute Stardust on the Xen you will need to use the xl command tool provided by the hypervisor on Dom0 as shown in the following command, where stardust.conf is a configuration file that specified metadata such as the location of the virtual machine image, the virtual hardware requirements that need to be accommodated. Optionally, it may also be used to specify a disk image that can be accessed by Stardust at run-time.
$ xl create -c stardust.conf
In order to stop the execution of Stardust you can use the following command:
$ xl destroy stardust