docker | mysql重置root密码

忘记密码怎么办

• 修改mysql的配置文件my.cnf,重启mysql容器

[mysqld]
#免密码登录
skip-grant-tables

• 免密码登录进console界面,执行修改账号密码sql语句即可

改密码的语句:
update mysql.user set authentication_string='123456' where user='root';

root@shu:/opt/mysql# docker exec -it mysql  bash
root@a7360c453c6b:/# mysql -uroot -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 11
Server version: 5.7.28 MySQL Community Server (GPL)

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

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> update mysql.user set authentication_string='123456' where user='root';

• 最后记得把 mysql的配置文件my.cnf 改回来

[mysqld]
# 免密码登录 - 重置密码完毕要删除or注释
# skip-grant-tables