notes

sudo apt-get install x11vnc xvfb
git clone https://github.com/novnc/noVNC.git external/noVNC
Xvfb :1 -screen 0 2340x1080x16 &
sudo Xorg -noreset +extension GLX +extension RANDR +extension RENDER -logfile ./10.log -config  :4 /etc/X11/xorg.conf.d/dummy-1920x1080.conf &
export DISPLAY=:4
./app &
x11vnc -display :4 -localhost -nopw -listen localhost -xkb -ncache 10 -ncache_cr -forever &
cd noVNC
./utils/launch.sh --vnc localhost:5900 &

DISPLAY=:4 xrandr --output Virtual1 --mode 1280x720

git fetch --depth 1 origin refs/tags/v6.9:refs/tags/v6.9
git checkout tags/v6.9

tigervnc-standalone-server tigervnc-xorg-extension

vncserver :44 -localhost no -geometry 900x1600 -depth 24 -SecurityTypes None --I-KNOW-THIS-IS-INSECURE &
./external/noVNC/utils/novnc_proxy --vnc localhost:5944 &