How to change MySQL root password under Linux, FreeBSD, OpenBSD and UNIX like operating systems

mysqladmin command to change root password If you have never set a root password for MySQL, the server does not require a password at all for connecting as root. To setup root password for first time, use mysqladmin command at shell prompt as follows: $ mysqladmin -u root password NEWPASSWORD However, if you want to change (or update) a root password, then you need to use following command $