Login to your VPS server via the terminal.

Make sure that all of your packages and dependencies are up-to-date.

apt-get update

Install the Lubuntu Desktop.

sudo apt-get install lubuntu-core

Install Chromium (linux chrome)

sudo apt-get install chromium-browser

Reboot the VPS.


Accessing the Desktop

Vultr has a View Console option for servers and Vultr's noVNC is a secure alternative to VNC.

Click the View Console option for your server and you'll see an Ubuntu desktop.

Login using your username and your password.

NOTE: If your mouse arrow doesn't move use Firefox as some extensions in Chrome may keep the cursor from moving. 

ALSO: If you don't see anything in your console install gdm display manager 

sudo apt-get install gdm

Reboot the VPS. 

and reboot