linux安装centos8源传输失败

问题遇到的现象和发生背景

sudo rpm -Uvh https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
获取https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
curl: (6) Could not resolve host: dev.mysql.com; 未知的错误
错误：跳过 https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm - 传输失败

主机网络未配置dns服务器，配置dns服务器为8.8.8.8或者114.114.114.144