mysql_secure_installation is a script originally developed by MYSQL AB and
Jeremy Cole at 2002. It wasn't make for automatizatic installation so I little
bend it.

Official webpage: 
http://dev.mysql.com/doc/refman/5.6/en/mysql-secure-installation.html

Usage: mysql_secure_installation [OPTION]
This program enables you to improve the security of your MySQL installation.
Without any OPTION it runs in standard (and recomended) way.

  -h, --help        display this help and exit
  -n, --norootpw    don't check and ask for setup of new root password
  -y, --yes         say 'yes' to all questios within root password
           
Examples:
  mysql_secure_installation
  mysql_secure_installation -y
  mysql_secure_installation -n -y