linux mysql access denied for user ‘root’@’localhost'(using password:YES)

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linux安装完mysql后,使用程序连接报以上错误
解决方法,重新设置密码,步骤如下

 

1.先停掉原来的服务

service mysqld stop

 

2.使用安全模式登陆,跳过密码验证

mysqld_safe --user=mysql --skip-grant-tables --skip-networking&

 

3.登陆

mysql -uroot  mysql

 

4.修改密码

mysql  > update user set authentication_string = password(‘123456‘) 
       where user = ‘root‘ and Host = ‘localhost‘

 

5.刷新权限

mysql > flush privileges;

 

6.重新使用正常模式登陆

#mysql -uroot -p
#enter password : 123456

 

可以正常登陆。

7.执行其他命令:show databases; 提示如下错误

You must reset your password using ALTER USER statement 
                before   executing this statement.

 

8.重新将密码设置一遍即可

mysql > set password = password (‘123456‘);

 

9.配置完成。

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