xpra-user.service

xpra.service

# cat ~/.config/systemd/user/xpra.service
[Unit]
Description=xpra user service

[Service]
Type=simple
ExecStart=/usr/bin/xpra start-desktop --no-daemon --resize-display="1920x1080" --start-child=cinnamon-session-cinnamon

[Install]
WantedBy=default.target

1. Install xpra like it says here
2. Then setup the service above for the given users that you want to have xpra access. ~/.config/systemd/user/xpra.service
3. systemctl --user daemon-reload then start the service systemctl --user enable --now xpra
4. Then you should be able to connect via the connect button in the xpra client:
   

Use this script to kill all xpra sessions:

# Get the PID(s) of the process(es) using ps and grep
pid=$(ps aux | grep '/usr/bin/xpra' | grep -v grep | awk '{print $2}')

# Check if pid is not empty
if [ -n "$pid" ]; then
    # Kill the process(es)
    kill $pid
    echo "Processes killed: $pid"
else
    echo "No processes found with the specified command."
fi