Switch Monitor Input from Linux Command Line

from blog Blog on hjr265.me, | ↗ original
For the longest time, I have looked at computer monitors as these dumb devices. All they do is turn video signals into colours on the screen. I was out of touch with the progress. Most modern computer monitors come with what is known as DDC/CI. It may be disabled by default, so you need to enable it using the monitor’s on-screen display (OSD)...