# wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm
# yum -y install mysql57-community-release-el7-10.noarch.rpm
# yum -y install mysql-community-server错误信息：
mysql-community-libs-compat-5.7.37-1.el7.x86_64.rpm 的公钥尚未安装
失败的软件包是：mysql-community-libs-compat-5.7.37-1.el7.x86_64
GPG 密钥配置为：file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
解决办法：
rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
再次安装，成功
yum install mysql-server