ayukawa@illundria:/etc/init.d$ sudo update-rc.d apache2 defaults
insserv: warning: current start runlevel(s) (empty) of script `apache2' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `apache2' overrides LSB defaults (0 1 6).