MySQLERROR1698(28000)错误
之前MySQL服务端本机上使⽤密码登陆root账号是没有问题的,但是今天不知道是因为动了哪⾥,登陆失败并有这个错误代码:
~$ mysql -u root -p
Enter password:
ERROR 1698 (28000): Access denied for user 'root'@'localhost'
解决步骤:
停⽌mysql服务
~$ sudo service mysql stop
以安全模式启动MySQL
~$ sudo mysqld_safe --skip-grant-tables &
MySQL启动之后就可以不⽤密码登陆了
~$ mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.10 MySQL Community Server (GPL)
查看⼀下user表,错误的起因就是在这⾥, root的plugin被修改成了auth_socket,⽤密码登陆的plugin应该是mysql_native_password。mysql>select user, plugin from mysql.user;
+-----------+-----------------------+
mysql下载失败怎么办|user| plugin |
+-----------+-----------------------+
| root | auth_socket |
| mysql.sys | mysql_native_password |
| dev | mysql_native_password |
+-----------+-----------------------+
3 rows in set (0.01 sec)
关于auth_socket,在官⽅有说明:,反正现在暂时不⽤它,那就把这⾥改了。
mysql>update mysql.user set authentication_string=PASSWORD('newPwd'), plugin='mysql_native_password'where user='root';
Query OK, 1 row affected, 1 warning (0.00 sec)
Rows matched: 1 Changed: 1 Warnings: 1
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
重启服务,问题就解决了
~$ sudo service mysql stop
...
* MySQL Community Server 5.7.10 is stopped
~$ sudo service mysql start
..
* MySQL Community Server 5.7.10 is started
~$ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.10 MySQL Community Server (GPL)
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