No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 12.04.3 LTS
Release:	12.04
Codename:	precise
rs204856%

rs204856% sudo update-rc.d -f mysql enable
update-rc.d: warning: /etc/init.d/mysql missing LSB information
update-rc.d: see <http://wiki.debian.org/LSBInitScripts>
 Enabling system startup links for /etc/init.d/mysql ...
 Removing any system startup links for /etc/init.d/mysql ...
   /etc/rc0.d/K20mysql
   /etc/rc1.d/K20mysql
   /etc/rc2.d/S20mysql
   /etc/rc3.d/S20mysql
   /etc/rc4.d/S20mysql
   /etc/rc5.d/S20mysql
   /etc/rc6.d/K20mysql
 Adding system startup for /etc/init.d/mysql ...
   /etc/rc0.d/K20mysql -> ../init.d/mysql
   /etc/rc1.d/K20mysql -> ../init.d/mysql
   /etc/rc6.d/K20mysql -> ../init.d/mysql
   /etc/rc2.d/S20mysql -> ../init.d/mysql
   /etc/rc3.d/S20mysql -> ../init.d/mysql
   /etc/rc4.d/S20mysql -> ../init.d/mysql
   /etc/rc5.d/S20mysql -> ../init.d/mysql