Demand 64 bit Ubuntu and 60 GB Free

Signed-off-by: Ulf Samuelsson <ulf@emagii.com>
NFS in /tftpboot

Signed-off-by: Ulf Samuelsson <ulf@emagii.com>
Block Filesystem

Signed-off-by: Ulf Samuelsson <ulf@emagii.com>