Ubuntu Services Startup Configuration Tool

sysv-rc-conf
Debian and Ubuntu Linux service command.
It can be used to configure startup services with a friendly interface.

sysv-rc-conf package

First, install sysv-rc-conf package:
$ sudo apt-get install sysv-rc-conf

Adding a Service to Default runlevels:
$ sudo update-rc.d NEW_SERVICE defaults
See also this for more informations

Launch:
$ sudo sysv-rc-conf