Centos7常用操作命令

1、修改hostname
hostnamectl set-hostname xxxx

2、关闭防火墙
systemctl stop firewalld.service #停止firewall
systemctl disable firewalld.service #禁止firewall开机启动

3、yum安装vncServer
https://www.cnblogs.com/st-jun/p/7757707.html