http://blog.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/selfhosting/surveillance/index.html
If not defined stderr and syslog is used.
log_file /var/log/motion/motion.log
# Level of log messages [1..9] (EMG, ALR, CRT, ERR, WRN, NTC, INF, DBG, ALL).
log_level 6
# Target directory for pictures, snapshots and movies
target_dir /mnt/VAULT/cameras
# Video device (e.g. /dev/video0) to be used for capturing.
;videodevice /dev/video2
# Parameters to control video device.