mkdir /media/usbstick sudo mount -t vfat -o rw /dev/sda1 /media/usbstick

lsusb

sudo apt-get install motion vi /etc/motion/motion.conf

sudo apt-get install fswebcam

backup raspberry image

dd if=/dev/mmcblk0 of=/path/to/image bs=1M

clone to a new SD card

dd if=/path/to/image of=/dev/mmcblk0 obs=1M