1. install the Ubuntu Desktop environment and a RDP Server:

sudo apt-get install ubuntu-desktop xrdp

 

2. create a new user and add grant sudo rights:

sudo adduser USERNAME
sudo adduser USERNAME sudo

 

3. set users xsession configuration:

sudo su USERNAME
echo 'gnome-session --session=ubuntu-2d' > ~/.xsession

 

4. now you can connect via rdp to your server.

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