ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: NO) 解决方案

1.停止mysql数据库
#/etc/init.d/mysqld stop

2.执行如下命令
#mysqld_safe –user=mysql –skip-grant-tables –skip-networking &

3.使用root登录mysql数据库
#mysql -u root mysql

4.更新root密码
mysql> UPDATE user SET Password=PASSWORD(‘newpassword’) where USER=’root';
#最新版MySQL请采用如下SQL:
mysql> UPDATE user SET authentication_string=PASSWORD(‘newpassword’) where USER=’root';

5.刷新权限
mysql> FLUSH PRIVILEGES;

6.退出mysql
mysql> quit

7.重启mysql
#/etc/init.d/mysqld restart搜索

8.使用root用户重新登录mysql
#mysql -uroot -p
#Enter password: <输入新设的密码newpassword>

LEAVE A COMMENT