Deploying virtual baremetal with Ironic & Kolla 19-04-2018 https://brk3.github.io/posts/kolla-ironic-libvirt/ Paul Bourke virtualisation openstack howto
Nested Xen 18-01-2017 https://brk3.github.io/posts/nested-hvm-xen/ Paul Bourke virtualisation openstack howto