修改 MySQL 配置文件以跳过密码登录
# vim /etc/my.cnf
添加skip-grant-tables;
重启 MySQL 服务
# systemctl restart mysqld.service
登录修改
[root@cvm-3ibcdh728a225 html]# mysql -u root
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.34 MySQL Community Server (GPL)
Copyright (c) 2000, 2021, Oracle and/or its affiliates.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
mysql> USE mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> update user set authentication_string='your-new-passwd' where user='root';
Query OK, 1 row affected (0.02 sec)
Rows matched: 1 Changed: 1 Warnings: 0
mysql> flush privileges ;
Query OK, 0 rows affected (0.02 sec)
mysql> quit
Bye
将设置文件改回
# vim /etc/my.cnf
重启 MySQL
# systemctl restart mysqld.service
修改完成。
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