Create new xen guest on DOM0

SSH to DOM0 (Xen host machine)

and run this statement to create one:

# sudo xen-create-image --hostname=myhost --memory=512mb --swap=1024mb --vcpus=2 --pygrub --dist=wheezy

Which is will run Debian Wheezy

RAM 512

SWAP 1024

vcpus number is 2