问题一:yum install packagemame
下载安装包之后,执行安装命令会报以下错误,导致安装失败
Public key for mysql-community-server-5.7.37-1.el7.x86_64.rpm is not installed
Failing package is: mysql-community-server-5.7.37-1.el7.x86_64
GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
此时,只需要在明后边加上--nogpgcheck即可
yum install packagemame --nogpgcheck