10.2. Registering a New Guest Virtual Machine

In cases where a new guest virtual machine is to be created on a host that is already registered and running, the virt-who service must also be running. This ensures that the virt-who service maps the guest to a hypervisor, so the system is properly registered as a virtual system. To register the virtual machine, enter the following command:
[root@virt-server ~]# subscription-manager register --username=admin --password=secret --auto-attach