By default there is no audio for RDP on XFCE Desktop environment. Such as this picture showed below.
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Install the module to capture and forward audio for RDP
apt install git build-essential autoconf libtool automake pkg-config libssl-dev libpam0g-dev libx11-dev libxfixes-dev libxrandr-dev libpulse-dev -y
Start to install the pulseaudio wrapper for xrdp
cd ~
git clone --depth=1 https://github.com/neutrinolabs/pulseaudio-module-xrdp.git
cd pulseaudio-module-xrdp
scripts/install_pulseaudio_sources_apt_wrapper.sh
It will takes some times, so please be patient.
- Creating bookworm build root. Log file in /var/tmp/pa-build-root-debootstrap.log
- Creating schroot config file /etc/schroot/chroot.d/pa-build-root.conf
- Copying /etc/apt/sources.list to the root
- Creating the build directory /build
- Copying the wrapped script to the build directory
- Building PA sources. Log file in /var/tmp/pa-build-root-schroot.log
- Copying sources out of the build root
- Removing schroot config file and build root
- All done. Configure PA xrdp module with PULSE_DIR=/root/pulseaudio.src
Execute this to do make install
./bootstrap && ./configure PULSE_DIR=/root/pulseaudio.src
make && make install
Enable pulseaudio
pulseaudio &
You will see top right audio mixer will show volume bar.
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References: