sudo apt-get update
sudo apt-get install ubuntu-desktop
或者 （sudo apt-get install --no-install-recommends ubuntu-desktop ##(will
exclude major softwares and tools like libreoffice, firefox ,
thunderbird etc)
sudo apt-get install xrdp
sudo apt-get install xubuntu-desktop
(if upgraded from Ubuntu Server 14.04 to 16.04, then need to install xfce4 first: sudo apt-get install xfce4)
echo "xfce4-session" >~/.xsession
sudo service xrdp restart
sudo vim /etc/xrdp/startwm.sh
在最下面添加
xfce4-session
然后
sudo service xrdp restart
sudo reboot ## (有些情况需要重启，一般不需要)
如果不行可以检查端口3350, 3389 是否监听中
netstat -l
