Type in the exact number of machines to proceed
I've seen this called "pointing and calling" [1], Japan's train drivers use the technique to force themselves to perform actions and take notice of the current environment.I personally took it to heart, it's a good system for forcing a cache miss in the brain - make sure you're on "database production" or "database localhost" etc.[1] https://en.wikipedia.org/wiki/Pointing_and_calling