一、RPM版安装 查看是否有其他版本的数据库,若有,删除干净 非root用户必须要有sudo权限 1.下载mysql相关安装包 https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql80-community-el7/mysql-community-server-8.0.18-1.el7.x86_64.rpm https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql80-community-el7/mysql-community-libs-8.0.18-1.el7.x86_64.rpm https: