skip-grant-tables
例如:
[mysqld]
skip-grant-tables
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
service mysql restart
mysql -uroot -p (直接點擊回車,密碼爲空)
use mysql;
update user set authentication_string=password('123456') where user='root';
注意:mysql8.0以上版本需要新的語句才能修改成功,如下:
alter user 'root'@'localhost' identified by 'MyNewPass@123';
6 .刷新權限
flush privileges;
7 .退出
exit;
8 .刪除第1部增加的配置信息
skip-grant-tables
9 .重啓mysql
service mysql restart