参考：http://www.linuxidc.com/Linux/2016-06/132442.htm
http://teliute.org/linux/TeUbt/lesson52/lesson52.html
windows自带的桌面连接工具：mstsc
Nmap scan report for 192.168.1.170
Host is up (0.00013s latency).
Not shown: 991 closed ports
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
2049/tcp open nfs
3389/tcp open ms-wbt-server
5800/tcp open vnc-http
5900/tcp open vnc
Nmap done: 1 IP address (1 host up) scanned in 0.08 seconds
VNC连接脚本（新建txt，后缀名改为vnc）：
[Connection]
Host=113.87.30.29
Password=
[Options]
Encryption=Server
FullScreen=0