Backup flash(rootfs) for popobox

  1. Plugin a USB disk and backup via USB
    1. Or backup it to another Linux host

On popobox, run:

dd if=/dev/mtdblock0 | nc -l -p 3333

On another Linux host, run

nc popobox's_ip 3333 > mtdblock0.img

Or run command below, if you want to check the progress:

nc popobox's_ip 3333 | pv - > mtdblock0.img