方法一: 1.关闭mysql # service mysqld stop 2.屏蔽权限 # mysqld_safe --skip-grant-table 屏幕出现: Starting demo from ..... 3.新开起一个终端输入 # mysql -u root mysql mysql> UPDATE user SET Password=PASSWORD(‘newpassword‘) where USER=‘root‘; mysql> FLUSH PRIVILEGES;//记得要这句话,否则如果关闭先前的终端,又会出现原来的错误 mysql> \q
方法二: 1.关闭mysql # service mysqld stop 2.屏蔽权限 # mysqld_safe --skip-grant-table 屏幕出现: Starting demo from ..... 3.新开起一个终端输入 # mysql -u root mysql mysql> delete from user where USER=‘‘; mysql> FLUSH PRIVILEGES;//记得要这句话,否则如果关闭先前的终端,又会出现原来的错误 mysql> \q
ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'
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