xenserver - Creating a Linux VM by Installing From an ISO Image
From thelinuxwiki
version
xenserver 6.2
list available templates
# xe vm-install template=<tab>
create VM
# xe vm-install template=CentOS\ 6\ \(64-bit\) new-name-label=mynewVM \ sr-uuid="95d78c5f-970f-2bec-2d5a-6ecbc88c428a"