Thu May 17 13:35:32 EDT 2012

Quick & dirty image backup

# Source
pv /dev/sda | netcat -q0 <host> <port>

# Dest
netcat -l -p <port> | pv | >sda.img

Of course, this might cause a bit of corruption in the currently open
files if you do this from a rw partition.  Best run it from single
user mode after setting root FS as readonly.

init 1
mount / -no remount,ro