[root@linshengqian mysql-8.0.30]#
rpm -ivh mysql-community-libs-8.0.30-1.el7.x86_64.rpm
警告：mysql-community-libs-8.0.30-1.el7.x86_64.rpm: 头V4 RSA/SHA256 Signature, 密钥 ID 3a79bd29: NOKEY
错误：依赖检测失败：
mariadb-libs 被 mysql-community-libs-8.0.30-1.el7.x86_64 取代
类似错误都可以用添加 --nodeps --force
rpm -ivh mysql-community-libs-8.0.30-1.el7.x86_64.rpm --nodeps --force