# service mysqld stop
2、用mysql安全模式运行并跳过权限验证。
# mysqld_safe --skip-grant-tables &
3、以root身份登录mysql。
# mysql -u root
4、修改root用户口令。
mysql> use mysql; Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed mysql> update user set Password = PASSWORD('root') where User ='root'; Query OK, 3 rows affected (0.00 sec) Rows matched: 3 Changed: 3 Warnings: 0 mysql> flush privileges; mysql> quit; mysql> exit
5、结束mysql安全模式,用正常模式运行mysql。
# service mysqld restart