centos7 服务操作命令

systemctl list-unit-files --type service --all

操作防火墙：

https://www.jianshu.com/p/411274f96492

操作VNC；

从realVNC官网下载RPM包

安装后添加key:

vnclicense -add XXXXX-XXXXX-XXXXX-XXXXX-XXXXX

vncserver-virtuald.service                  disabled
vncserver-x11-serviced.service              disabled

systemctl enable vncserver-virtuald.service
systemctl enable vncserver-x11-serviced.service