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  • mysql操作

    1.查看mysql的运行状态

    systemctl status mysql.service

     2.安装与初始化

    https://t.codebug.vip/questions-691282.htm

    sudo apt install mysql-server mysql-client #同时安装服务器和客户端
    sudo mysql_secure_installation

    3.Error: Access denied for user 'root'@'localhost' (using password: YES)

    https://blog.csdn.net/wangliyao518/article/details/83011522,根据这个来解决

    vim修改只读文件:

    按‘a’表示进入插入模式,修改后执行:

    :w !sudo tee %

    会修改只读文件。

    按照如下命令解决了本问题:

    vim /etc/mysql/mysql.conf.d/mysqld.cnf
    //修改只读文件在最后一行添加 skip-grant-tables,并保存
    
     service mysql restart//重启服务
    
    mysql -uroot -p//回车可进入mysql
    
    use mysql;
    update user set authentication_string=PASSWORD("rootadmin") where user='root';
    
    vim /etc/mysql/mysql.conf.d/mysqld.cnf
    //删除添加的最后一行 skip-grant-tables,并保存
    
    service mysql restart
    mysql -uroot -prootadmin

    退出mysql使用 quit; 命令

    4.尝试创建表

    create database yourdb;

    报错:

    ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

    根据https://blog.csdn.net/memory6364/article/details/82426052解决了:

    alter user 'root'@'localhost' identified by '123456';

    但要设置一个比较复杂的密码。

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  • 原文地址:https://www.cnblogs.com/BlueBlueSea/p/14802775.html
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