Add support to nbd-server
The Polilinux Remote Boot Server must be able of providing the rootfs to its client machines in the different ways, shared network directory and block device. nbd-server is the service that provides rootfs via block device. This feature is important, since it can speed up boot process if compared to rootfs shared via NFS.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information