Disable start of a service on boot in Ubuntu
For instance, I don’t want that MongoDB automatically starts on boot:
$ sudo update-rc.d -f mongodb remove Removing any system startup links for /etc/init.d/mongodb ... /etc/rc0.d/K20mongodb /etc/rc1.d/K20mongodb /etc/rc2.d/K20mongodb /etc/rc3.d/K20mongodb /etc/rc4.d/K20mongodb /etc/rc5.d/K20mongodb /etc/rc6.d/K20mongodb