[root@master mysql-rpm]# rpm -ivh mysql-community-libs-8.0.30-1.el7.x86_64.rpm
warning: mysql-community-libs-8.0.30-1.el7.x86_64.rpm: Header V4 RSA/SHA256 Signature, key ID 3a79bd29: NOKEY
error: Failed dependencies:
mariadb-libs is obsoleted by mysql-community-libs-8.0.30-1.el7.x86_64
解决办法:卸载 mysql-libs
yum remove -y mysql-libs