step 1
apt-get update
apt-get upgrade
step 2
apt-get install cron nano xorg xrdp jwm firefox chromium-browser flashplugin-installer
step 3
cd /root
nano launch-hitleap.sh
step 3.1
until "./hitleap"; do             
    echo "HitLeap crashed with exit code $?.  Respawning..." >&2
    sleep 1
done
step 3.2
wget -O "HitLeapViewer.tar.xz" https://hitleap.com/viewer/latest?platform=Linux
tar xpvf "/root/HitLeapViewer.tar.xz" -C /root
mv HitLeap-Viewer.desktop hitleap
step 4
chmod +x launch-hitleap.sh
chmod +x hitleap
rm -rf "HitLeapViewer.tar.xz"
final step
Open your Remote Desktop Connection and put your VPS IP address.
Insert your root credentials and login.
Click with the left button of your mouse and hit Terminal.
A terminal window will open. Type this: ./launch-hitleap.sh and hit Enter.
You can close the Remote Desktop Connection software now.