Hi,
I am trying to use Chromium to display websites in Ubuntu Xenial LXC container on RPi that is running LEDE.
I got the container, networking working, I have tried getting Chromium over HDMI, but unfortunately, I cant get anything over HDMI.
You are trying to get Chromium to appear on the HDMI output.
Do you have either X.Org or Wayland running on the RPi (that outputs to HDMI)?
What window manager do you have running?
Do you have accelerated graphics?