甲骨文Oracle开通端口
实例-子网-安全组,加上规则。
删除多余附件
systemctl stop oracle-cloud-agent
systemctl disable oracle-cloud-agent
systemctl stop oracle-cloud-agent-updater
systemctl disable oracle-cloud-agent-updater
停止firewall
systemctl stop firewalld.service
禁止firewall开机启动
systemctl disable firewalld.service