1、下载地址：

https://www.oracle.com/database/technologies/112010-linx8664soft.html

2、前期设置

echo "11.11.11.51 qi51" >>/etc/hosts
systemctl stop firewalld.service
systemctl disable firewalld.service

groupadd dba
useradd oracle
passwd yanqi.1993!

mkdir -p /opt/oracle
chown -R oracle:dba /opt/oracle
chmod -R 755 /opt/oracle

  sed -i "s/SELINUX=enforcing/SELINUX=disabled/" /etc/selinux/config
  setenforce 0

 3、配置yum源安装软件