Take photos on iOS from the command line/ssh
camshot -l(toggle landscape) -q(specify quality [highest 1 - lowest 3]) -o(specify output file) -f(toggle front facing) -m(mirror photo)
1=1920x1080 2=1280x720 3=640x480
Example: camshot -f -m -q 2 -o out.jpg
Cydia repo: http://lucasjackson.io/repo