Upstart Job Setup in Ubuntu

At Ubuntu start-up, say you want to to adjust brightness, you can add an upstart job for this.
1. Add a file brightness.conf at /etc/init/ with following lines
  description "Job to control brightness at startup"
  author "..."
  start on runlevel [2345]
  exec intel_backlight 14  # to set brightness to 14%
  
2. Changes will take effect after restart or by changing run levels.

3. You can start the job by typing:
  sudo start brightness  or
  sudo service brightness start