Naive script for streaming camera output from Raspbian as MJPEG; change user and app name to fit your needs

gistfile1.txt

#!/bin/bash

### BEGIN INIT INFO
# Provides:          kahvisio
# Required-Start:    $network $local_fs $syslog
# Required-Stop:     $network $local_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start kahvisio at boot time.
# Description:       Enable kahvisio as a service.
### END INIT INFO

USER="pi"
APP="kahvisio"
LOGFOLDER="/var/log/$APP"
HTTP_PORT="8080"
WIDTH="1280"
HEIGHT="720"

# Make sure the video module for v4l2 is available
# modprobe bcm2835-v4l2

# Start or stop video streamer
case "$1" in
  start)
    echo "Creating log folders and chowning them to $USER:$USER at $LOGFOLDER"
    mkdir -p $LOGFOLDER
    chown -R $USER:$USER $LOGFOLDER
    echo "Starting $APP cvlc MPJPEG stream on http://:$HTTP_PORT/"
    su - $USER -c "cvlc v4l2:///dev/video0 --v4l2-width $WIDTH --v4l2-height $HEIGHT --v4l2-chroma mjpg --sout '#standard{access=http,mux=mpjpeg,dst=:8080}' > $LOGFOLDER/kahvisio.log 2> $LOGFOLDER/error.log &"
    ;;
  stop)
    echo "Stopping $APP cvlc camera stream"
    kill `pgrep vlc`
    ;;
  *)
    echo "Usage: /etc/init.d/$APP {start|stop}"
    exit 1
    ;;
esac

exit 0

This is an init.d script and can be enabled for a Raspbian by copying it to /etc/init.d/$APP and running sudo update-rc.d $APP defaults. After this starting and stopping go with sudo service $APP start|stop and the script can be disabled with sudo update-rc.d $APP disable.