SHA256(ubuntu-ova.ovf)= f5210c8163a6601e949638bc4d77e484438ab973bd7cd6f98a8b0e65373934cd
SHA256(ubuntu-ova-disk1.vmdk)= 6de4cf078a37f7eafbeae70e50d45409d0ba07c1a834126a4b0d3cbc64676cd8