Linux: Disk Cloning

Serve the disk image:

$ dd if=/dev/hda | nc -l -p port

Receive the image:

$ nc -w3 hostname port | dd of=/dev/hda

OR

On the receiving end do:

$ netcat -l -p 7000 | tar x

And on the sending end do:

$ tar cf - * | netcat otherhost 7000