Originally Posted by elros34

There is no ready to use script to do this but quick test with matchbox I did allow me to start chromium in portrait. It could be also done without matchbox: with --window-size= arg for chromium and that browser addon but in my test that didn't work in all cases. Don't expect too much. All is very hacky.

Code:

./chroot.sh
WAYLAND_DISPLAY=../../display/wayland-0  Xwayland & # make sure to run it when device is in portrait mode
sudo apt install matchbox
matchbox-session &
matchbox-keyboard &
chromium-browser