mysql 1820_解决mysql，出现错误 ERROR 1820 (HY000): You must SET PASSWOR

最近新装好的mysql在进入mysql工具时，总是有错误提示: # mysql -u root -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) 或者 # mysql -u root -p password 'newpassword' Enter password: mysqla

最近新装好的mysql在进入mysql工具时，总是有错误提示:

# mysql -u root -p

Enter password:

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

或者

# mysql -u root -p password 'newpassword'

Enter password:

mysqladmin: connect to server at 'localhost' failed

error: 'Access denied for user 'root'@'localhost' (using password: YES)'

现在终于找到解决方法了。本来准备重装的，现在不必了。

方法操作很简单，如下：

# /etc/init.d/mysql stop

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

# mysql -u root mysql

mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root' and host='root' or host='localhost';//把空的用户密码都修改成非空的密码就行了。

mysql> FLUSH PRIVILEGES;

mysql> quit # /etc/init.d/mysqld restart

# mysql -uroot -p

Enter password:

MySql5.6操作时报错：You must SET PASSWORD before executing this statement解决

mysql> SET PASSWORD = PASSWORD('123456');

Query OK, 0 rows affected (0.03 sec)

mysql> create database roger;

Query OK, 1 row affected (0.00 sec)

也就是用mysql> SET PASSWORD = PASSWORD('123456');这句话重新设置一次密码！

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