1.
設置了root密碼為111111
1.關閉防火牆
[root@oracle-1 jk]# systemctl stop firewalld
[root@oracle-1 jk]# systemctl disable firewalld
2.永久關閉SELinux
vi /etc/selinux/config
將SELINUX=enforcing改為SELINUX=disabled
設置后需要重啟才能生效