Setup Local xRDP on Ubuntu 18.04

setup_local_xrdp_ubuntu_18.04.sh

#!/bin/bash
set -xuo pipefail

# GIST: https://gist.github.com/djravine/88f2b9957a0bef6a6dd4c55aca951a09
# USAGE: curl -sL https://gist.github.com/djravine/88f2b9957a0bef6a6dd4c55aca951a09/raw | bash -s --

# INSTALL SOFTWARE
sudo apt-get update
sudo apt-get install -y \
	ubuntu-desktop \
	xorg \
	xrdp \
	xorgxrdp \
	xorg-video-abi-23 \
	xserver-xorg-core \
	xserver-xorg-input-all \
	xfonts-base \
	xfonts-75dpi \
	xfonts-100dpi \
	mate-core \
	mate-desktop-environment \
	mate-notification-daemon \
	indicator-sound-gtk2 \
	indicator-application-gtk2 \
	ubuntu-gnome-desktop \
	gnome-session-flashback \
	gnome-panel \
	gnome-tweak-tool \
	xfce4 \
	xfce4-goodies
sudo apt-get autoremove -y

# AUTH POPUP
sudo bash -c 'cat > /etc/polkit-1/localauthority.conf.d/02-allow-colord.conf' << EOF
polkit.addRule(function(action, subject) {
 if ((action.id == "org.freedesktop.color-manager.create-device" ||
 action.id == "org.freedesktop.color-manager.create-profile" ||
 action.id == "org.freedesktop.color-manager.delete-device" ||
 action.id == "org.freedesktop.color-manager.delete-profile" ||
 action.id == "org.freedesktop.color-manager.modify-device" ||
 action.id == "org.freedesktop.color-manager.modify-profile") &&
 subject.isInGroup("{users}")) {
 return polkit.Result.YES;
 }
 });
EOF

# ALLOW FIREWALL
sudo ufw allow 3389/tcp

# SET SESSION MANGER
if [ -f /home/${USER}/.xsession ]; then
	rm -f /home/${USER}/.xsession
fi
cat << 'EOF' >> /home/${USER}/.xsession
export LOGNAME=$USER
export LIBGL_ALWAYS_INDIRECT=1
unset SESSION_MANAGER
unset DBUS_SESSION_BUS_ADDRESS
mate-session # Works
#gnome-session --session=gnome-flashback-metacity --disable-acceleration-check & gnome-panel # Works
#xfce4-session # Works
EOF
chmod +x /home/${USER}/.xsession

# RUN BASH NOT SH
sudo sed -i "s|#\!/bin/sh|#\!/bin/bash|g" /etc/X11/Xsession

# ADD XRDP USER TO SSL-CERT GROUP
sudo adduser xrdp ssl-cert

# XRDP - RESTART
sudo service xrdp restart

# XRDP - STATUS
sudo service xrdp status

worked perfectly