oracle12c安装建议安装条件：4G内存，swap分区8G，安装目录不低于20G。软件包官网下载：https://www.oracle.com/downloads/index.html一、关闭防火墙systemctl stop firewalld.servicesystemctl disable firewalld.servicesetenforce 0二、挂载磁盘fdisk /dev/sdbmkfs -t xfs /dev/sdb1mkdir /orcmount /dev/sdb1 /orcvim /etc/fstab #末行添加自动挂载/dev/sdb2 orc xfs defaults ...