Oracle19c单实例安装

环境准备

关闭selinux

[root@oracle ~]# vim /etc/selinux/config

修改内容：SELINUX=disabled

关闭防火墙

[root@oracle ~]# systemctl stop firewalld

[root@oracle ~]# systemctl disable firewalld ##防止开机自启

修改内核参数

cat>>/etc/sysctl.conf/etc/security/limits.conf