Cetnso8安装Oracle数据库21c

# curl -o oracle-database-preinstall-21c-1.0-1.el8.x86_64.rpm https://yum.oracle.com/repo/OracleLinux/OL8/latest/x86_64/getPackage/oracle-database-preinstall-21c-1.0-1.el8.x86_64.rpm
# dnf -y localinstall oracle-database-preinstall-21c-1.0-1.el8.x86_64.rpm