Note: SkySilk's tutorial was not working at the time I wrote this. Theirs has since been updated, this guide may or may not work for you. Please refer to their official guide for xRDP setup.
Hello everyone this is an updated tutorial on how to get a desktop environment on your vps so follow these steps:
Step 1: Install xRDP
yum install xrdp
Step 2: start xRDP
systemctl start xrdp
Step 3: Install the desktop
yum -y groups install "GNOME Desktop"
Step 4: Remote desktop connect to your vps and enjoy
Regarding your last note, our xRDP article has been updated for Ubuntu 18.04 only, all other versions and Linux distros would not apply.