1.
设置了root密码为111111
1.关闭防火墙
[root@oracle-1 jk]# systemctl stop firewalld
[root@oracle-1 jk]# systemctl disable firewalld
2.永久关闭SELinux
vi /etc/selinux/config
将SELINUX=enforcing改为SELINUX=disabled
设置后需要重启才能生效