This is vastly OT but hey, it happened to me just this month! It IS in the docs:
A.4.2 How to Reset a Forgotten Password
If you have forgotten the root user password for MySQL, you can restore it with the following procedure:
- Take down the mysqld server by sending a kill (not kill -9) to the mysqld server. The pid is stored in a .pid file, which is normally in the MySQL database directory:
kill `cat /mysql-data-directory/hostname.pid`
You must be either the Unix root user or the same user the server runs as to do this.
- Restart mysqld with the --skip-grant-tables option.
- Connect to the mysqld server with mysql -h hostname mysql and change the password with a GRANT command. See section 4.3.1 GRANT and REVOKE Syntax. You can also do this with mysqladmin -h hostname -u user password 'new password'
- Load the privilege tables with: mysqladmin -h hostname flush-privileges or with the SQL command FLUSH PRIVILEGES.
Note that after you started mysqld with --skip-grant-tables, any usage of GRANT commands will give you an Unknown command error until you have executed FLUSH PRIVILEGES.
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