setup linux webcam & server

http://tldp.org/HOWTO/html_single/Webcam-HOWTO/#GUI
http://blog.tenyi.com/2008/04/linux-webcam-driver.html
http://blog.yam.com/wesley1981/article/17511812

lsusb
ls /dev/vid*
streamer -c /dev/video0 -b 16 -o outfile.jpeg