How to toggle between 2 specific resolutions via keyboard shortcut?

Advertisements I’m using Ubuntu on a laptop (with its built-in screen disabled) connected to a 3840×2160 external display. Before sharing my screen on a video chat, I always like to switch the resolution down to 1920×1080. I want to be able to quickly toggle the resolution of my external display between 3840×2160 and 1920×1080 via… Read More How to toggle between 2 specific resolutions via keyboard shortcut?