Write new system image using bmaptool (beaglebone)

#install
sudo apt-get -y install bmap-tools

# download image and bmap file
wget https://debian.beagleboard.org/images/bone-debian-8.3-lxqt-4gb-armhf-2016-01-24-4gb.img.xz
wget https://debian.beagleboard.org/images/bone-debian-8.3-lxqt-4gb-armhf-2016-01-24-4gb.bmap

 #write system image
bmaptool copy bone-debian-8.3-lxqt-4gb-armhf-2016-01-24-4gb.img.xz /dev/sdb


#results
bmaptool: info: discovered bmap file 'bone-debian-8.3-lxqt-4gb-armhf-2016-01-24-4gb.bmap'
bmaptool: info: block map format version 2.0
bmaptool: info: 870400 blocks of size 4096 (3.3 GiB), mapped 743361 blocks (2.8 GiB or 85.4%)
bmaptool: info: copying image 'bone-debian-8.3-lxqt-4gb-armhf-2016-01-24-4gb.img.xz' to block device '/dev/sdb' using bmap file 'bone-debian-8.3-lxqt-4gb-armhf-2016-01-24-4gb.bmap'
bmaptool: info: 1% copied