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  • docker里面的mysql 更换密码

    进入mysql容器

    操作vi etc/mysql/my.cnf

    默认是不安装vi编辑器的,下面安装vi

    更新安装包

    apt-get update
    

    安装vim

    执行这条语句

    apt-get install vim
    

    到修改docker容器里面的mysql数据库密码了

    启动mysql容器

    docker exec -it mysql /bin/bash
    

    编辑配置文件

    我这里是没有这个配置文件,直接编辑即可,有的忽略

    vi /etc/mysql/conf.d/docker.cnf
    

    加上这4段

    [mysqld]
    skip-host-cache
    skip-name-resolve
    skip-grant-tables 跳过权限认证
    

    保存退出

    root@25cf6844e4d5:/# exit
    exit
    
    

    重启mysql容器

    我命名的mysql容器名是mysql01,按照自己的名字重启

    [root@rzk ~]# docker restart mysql01
    mysql01
    

    进入mysql容器,连接mysql

    docker exec -it mysql /bin/bash

    [root@rzk ~]# docker exec -it mysql01 /bin/bash
    
    root@25cf6844e4d5:/# mysql -u root -p
    Enter password: 
    Welcome to the MySQL monitor.  Commands end with ; or g.
    Your MySQL connection id is 275
    Server version: 5.7.31 MySQL Community Server (GPL)
    
    Copyright (c) 2000, 2020, 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>
    

    修改密码

    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=password('密码') where user='root';
    Query OK, 0 rows affected, 1 warning (0.00 sec)
    Rows matched: 2  Changed: 0  Warnings: 1
    

    删除权限认证这行
    skip-grant-tables 跳过权限认证 这一段需要删除,不然后续登录还是会免密码

    [mysqld]
    skip-host-cache
    skip-name-resolve
    skip-grant-tables 跳过权限认证
    

    刷新权限

    mysql> flush privileges;
    Query OK, 0 rows affected (0.07 sec)
    

    测试连接数据库

    密码就修改成功了

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  • 原文地址:https://www.cnblogs.com/rzkwz/p/13999534.html
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