From LedHed's Wiki
Ubuntu General Notes
Starting/Stoping Services
invoke-rc.d
Usage
invoke-rc.d service-name start|stop|restart
This is the equivalent to "service" in RedHat based Distros
Starting Services at Boot
update-rc.d
Usage
update-rc.d service-name start|stop|restart
This is the equivalent to "chkconfig" in RedHat based Distros
Optionally you can run rcconf a menu based Command Line utility
rcconfig
This package may not be installed by default
apt-get install rcconf