• 下载安装包

        下载地址：https://downloads.mysql.com/archives/community/

        

• 解压后上传到服务器(或者直接上传到服务器用tar -zxvf xxx.tar命令解压)

        

• 卸载mariadb

        卸载命令：yum remove mariadb-server mariadb

        

        

              

        检查是否还有未删除的包：

        rpm -qa | grep mariadb

        

        卸载：yum remove mariadb-connector-c-3.0.6-9.ky10.aarch64

        

        

        执行命令：yum clean all

        

        

        如果你还想删除MariaDB的数据目录和配置文件，你可以手动删除它们：

        rm -rf /var/lib/mysql/

        rm -rf /etc/my.cnf

• 安装过程中异常处理

        执行命令：rpm -ivh *.rpm

        遇到报错：perl(JSON) 被 mysql-community-test-8.0.28-1.el8.aarch64 需要

        

        解决报错：yum install perl-JSON

        

• 继续安装

        安装完perl-JSON依赖包后，继续执行rpm -ivh *.rpm命令安装mysql;

        

• 启动服务

        安装完成，开始启动服务：systemctl start mysqld;

        

• 登录修改密码

        查看数据库密码： grep 'temporary password' /var/log/mysqld.log

        

        登录数据库：mysql -hlocalhost -uroot -p"Cv#+X.eu,48i"

        

  修改root用户密码：ALTER USER 'root'@'localhost' IDENTIFIED WITH         mysql_native_password BY '新密码';

        设置允许远程连接：
        use mysql; # 进入 MySQL 库

        update `user` set Host = '%' where User = 'root' and Host = 'localhost';  # 修改远程连接

        flush privileges;  # 刷新

• 重启服务

        systemctl restart mysqld

• 添加用户

        use mysql;

        CREATE USER 'admin'@'%' IDENTIFIED BY '密码';

        GRANT ALL PRIVILEGES ON *.* TO 'admin'@'%' WITH GRANT OPTION;

        flush privileges;