XRDP on Ubuntu Desktop and Pop! OS

Lin­ux Desk­top

Here is de­scribed how to set­up and con­fig­ure xRDP with­in Ubun­tu Desk­top and Pop!_OS.

In­stall xRDP

sudo apt update
sudo apt install xrdp
sudo systemctl enable xrdp
sudo systemctl status xrdp

Tweak Ubun­tu 22.04 Af­ter Up­grade from 20.04

echo 'export XDG_CURRENT_DESKTOP=ubuntu:GNOME' >> ~/.xsessionrc

Ref­er­ences

• Ask Ubun­tu: No op­tion for ap­pear­ance in set­tings af­ter up­grade to 22.04

Pop OS 22.04 Ad­di­tion­al Set­up

sudo nano /etc/xrdp/startwm.sh

#!/bin/sh
# xrdp X session start script (c) 2015, 2017, 2021 mirabilos
# published under The MirOS Licence

# Rely on /etc/pam.d/xrdp-sesman using pam_env to load both
# /etc/environment and /etc/default/locale to initialise the
# locale and the user environment properly.

export GNOME_SHELL_SESSION_MODE=pop
export GDMSESSION=pop
export XDG_CURRENT_DESKTOP=pop:GNOME

if test -r /etc/profile; then
	. /etc/profile
fi

test -x /etc/X11/Xsession && exec /etc/X11/Xsession
exec /bin/sh /etc/X11/Xsession

Ref­er­ence

• L1: xRDP on PopOS fix

In­stall xRDP PulseAu­dio

For some rea­son in Ubun­tu 19.04+ nor the pack­age xrdp-pulseau­dio-in­staller nor the pack­age pulseau­dio-mod­ule-xrdp is avail­able. So we need to build the mod­ule. Right now I can't find any workaround for Pop!_OS. Here is a re­lat­ed ques­tion at Ask Ubun­tu which I've asked: What is the re­la­tion be­tween PipeWire and PulseAu­dio on Ubun­tu 22.04?

Step 1 – In­stall Some Pre­Reqs, En­able source re­po, Build dep

sudo apt install git libpulse-dev autoconf m4 intltool build-essential dpkg-dev

Step 2 – En­able source re­po, Build dep

sudo cp /etc/apt/sources.list{,.bak}
sudo sed -Ei 's/^# deb-src /deb-src /' /etc/apt/sources.list
sudo apt-get update

Step 3: Build dep

sudo apt build-dep pulseaudio

Step 4: Down­load pulseau­dio source in /​​​tmp di­rec­to­ry

cd /tmp
sudo apt source pulseaudio

Step 4: Com­pile

pulsever=$(pulseaudio --version | awk '{print $2}')
echo $pulsever 
cd /tmp/pulseaudio-$pulsever
sudo ./configure --without-caps

Step 5: Cre­ate xrdp sound mod­ules

sudo git clone https://github.com/neutrinolabs/pulseaudio-module-xrdp.git
cd pulseaudio-module-xrdp
sudo ./bootstrap 
sudo ./configure PULSE_DIR="/tmp/pulseaudio-$pulsever"
sudo make

Step 6: Copy files to cor­rect lo­ca­tion, as de­fined in /etc/xrdp/pulse/default.pa

sudo cp /etc/xrdp/pulse/default.pa{,.bak}
cd /tmp/pulseaudio-$pulsever/pulseaudio-module-xrdp/src/.libs
sudo install -t "/var/lib/xrdp-pulseaudio-installer" -D -m 644 *.so
pulseaudio -k

Step 7: Make the sync avail­able for Gua­camole VNC Con­nec­tion with au­dio (as in /etc/pulse/default.pa):

cat << EOF | sudo tee -a /etc/xrdp/pulse/default.pa
# Custom settings - Apache Guacamole VNC transfer audio
load-module module-native-protocol-tcp auth-anonymous=1
load-module module-zeroconf-publish
EOF

xRDP Fix the In­fa­mous sys­tem crash pop­ups in Ubun­tu

sudo cp /etc/polkit-1/localauthority/50-local.d/45-allow-colord.pkla{,.bak}
sudo rm /var/crash/*

cat << EOF | sudo tee /etc/polkit-1/localauthority/50-local.d/45-allow-colord.pkla
[Allow Colord all Users]
Identity=unix-user:*
Action=org.freedesktop.color-manager.create-device;org.freedesktop.color-manager.create-profile;org.freedesktop.color-manager.delete-device;org.freedesktop.color-manager.delete-profile;org.freedesktop.color-manager.modify-device;org.freedesktop.color-manager.modify-profile
ResultAny=no
ResultInactive=no
ResultActive=yes
EOF

See al­so

• Apache Gua­camole VNC Client and PulseAu­dio for Desk­top Users
• Kali Lin­ux In­stall xRDP

Ref­er­ences

• Web­site for Stu­dents: How to Con­nect via Re­mote Desk­top (RDP) to Ubun­tu 20.04 | 18.04
• An­swer­Topia: Dis­play­ing Ubun­tu 20.04 Ap­pli­ca­tions Re­mote­ly (X11 For­ward­ing)
• Lin­ux­ize: How to In­stall Xrdp Serv­er (Re­mote Desk­top) on Ubun­tu 20.04
• GitHub Gist by Rk­t­tu: Ubun­tu 20.04 + WSL 2 + XRDP PulseAu­dio
• C‑energy: xRDP – Miss­ing pack­ages for Sound Redi­rec­tion in Ubun­tu 19.04
• C‑energy: xRDP – The In­fa­mous “Au­then­ti­ca­tion Re­quired to Cre­ate Man­aged Col­or De­vice” Ex­plained
• C‑energy: xRDP – How to Fix the In­fa­mous sys­tem crash pop­ups in Ubun­tu 18.04 (and pre­vi­ous ver­sions)
• Apalrd's Ad­ven­tures at YouTube: A Mod­ern Lin­ux Graph­i­cal TER­MI­NAL SERV­ER | Com­plete Guide for Re­mote Ac­cess | Any De­vice, Many Users

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