From: Feifei blog
Mysql password cracking method mysql cracking tool download
Windows:
1. log on to the system as a system administrator.
2. Stop MySQL services.
3. Go to the Command window and enter the MySQL installation directory. For example, if my installation directory is c: mysql, go to C: mysqlbin.
4. Skip the permission check and start MySQL,
C: mysqlbin> mysqld-nt -- skip-grant-tables
5. open a new window, enter the c: mysqlin directory, and set the new root password.
C: mysqlbin> mysqladmin-u root flush-privileges password "newpassword"
C: mysqlbin> mysqladmin-u root-p shutdown
Replace newpassword with the root password you want to use. The second command will prompt you to enter a new password and repeat the password entered by the first command.
6. Stop MySQL Server and start Mysql in Normal Mode
7. You can use a new password to link to Mysql.
Unix & Linux:
1. log on to the system using root or a user running mysqld;
2. Use the kill command to end the mysqld process;
3. Use the -- skip-grant-tables parameter to start MySQL Server
# Mysqld_safe -- skip-grant-tables &
4.Root @ localhostSet new password
# Mysqladmin-u root flush-privileges password "newpassword"
5. Restart MySQL Server