Disable startup items in Debian / Ubuntu

Needed to get rid of PostegreSQL on start up. That’s freeing up 8Mb of memory….its better than nothing.

1rails@cool-server-name-001:~$ sudo update-rc.d -f postgresql-8.3 remove
2 Removing any system startup links for /etc/init.d/postgresql-8.3 ...
3   /etc/rc0.d/K21postgresql-8.3
4   /etc/rc1.d/K21postgresql-8.3
5   /etc/rc3.d/S19postgresql-8.3
6   /etc/rc4.d/S19postgresql-8.3
7   /etc/rc5.d/S19postgresql-8.3
8   /etc/rc6.d/K21postgresql-8.3