《MYSQL教程MySql Error 1698(28000)問題的解決方法》要點：
本文介紹了MYSQL教程MySql Error 1698(28000)問題的解決方法，希望對您有用。如果有疑問，可以聯系我們。
MYSQL必讀一,問題描述：
MYSQL必讀MysqlERROR1698(28000)解決,新裝了mysql-server-5.7,登錄為這一問題,普通用戶不能進mysql,只有root用戶才能進,并且不需要任何密碼.
MYSQL必讀
~$ mysql -u root -p
Enter password:
ERROR 1698 (28000): Access denied for user 'root'@'localhost'
MYSQL必讀二,解決步驟：
MYSQL必讀停止mysql服務
MYSQL必讀
~$ sudo service mysql stop
MYSQL必讀以安全模式啟動MySQL
MYSQL必讀
~$ sudo mysqld_safe --skip-grant-tables &
MYSQL必讀MySQL啟動之后就可以不用密碼登陸了
MYSQL必讀
~$ 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)
MYSQL必讀查看一下user表,錯誤的起因就是在這里, root的plugin被修改成了auth_socket,用密碼登陸的plugin應該是mysql_native_password.
MYSQL必讀
mysql> select user, plugin from mysql.user;
+-----------+-----------------------+
| user | plugin |
+-----------+-----------------------+
| root | auth_socket |
| mysql.sys | mysql_native_password |
| dev | mysql_native_password |
+-----------+-----------------------+
<strong>3</strong> rows in set (<strong>0.01</strong> sec)
MYSQL必讀關于auth_socket,在官方有說明： https://dev.mysql.com/doc/mysql-security-excerpt/5.5/en/socket-authentication-plugin.html ,反正現在暫時不用它, 那就把這里改了.
MYSQL必讀
mysql> update mysql.user set authentication_string=PASSWORD('newPwd'), plugin='mysql_native_password' where user='root';
Query OK, <strong>1</strong> row affected, <strong>1</strong> warning (<strong>0.00</strong> sec)
Rows matched: <strong>1</strong> Changed: <strong>1</strong> Warnings: <strong>1</strong>
mysql> flush privileges;
Query OK, <strong>0</strong> rows affected (<strong>0.00</strong> sec)
MYSQL必讀重啟服務,問題就解決了
MYSQL必讀
~$ 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)
MYSQL必讀以上所述是小編給大家介紹的MySql Error 1698(28000)問題的解決方法,希望對大家有所幫助,如果大家有任何疑問請給我留言,小編會及時回復大家的.在此也非常感謝大家對維易PHP網站的支持!
