Ubuntu 22 Remote Desktop Sharing Without Real Monitor

sudo apt-get install xserver-xorg-video-dummy
sudo apt-get install xserver-xorg-core

Download Microsoft Remote Desktop client

Section "Device"
    Identifier "DummyDevice"
    Driver "dummy"
    VideoRam 256000
EndSection

Section "Screen"
    Identifier "DummyScreen"
    Device "DummyDevice"
    Monitor "DummyMonitor"
    DefaultDepth 24
    SubSection "Display"
        Depth 24
        Modes "1920x1080_60.0"
    EndSubSection
EndSection

Section "Monitor"
    Identifier "DummyMonitor"
    HorizSync 30-70
    VertRefresh 50-75
    ModeLine "1920x1080" 148.50 1920 2448 2492 2640 1080 1084 1089 1125 +Hsync +Vsync
EndSection

ln -s  /usr/share/X11/xorg.conf.d/xorg.conf /etc/X11

/usr/share/X11/xorg.conf.d/xorg.conf
/etc/X11/xorg.conf