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I believe that Caffeine was a fairly simple GUI wrapper for the existing caffeinate command

Yes. There is a similar product called Amphetamine now.

From what I recall, caffeine app predated the caffeinate command (which was only introduced in lion). Caffeine.app also disables sleep via a completely different method than caffeinate. The latter uses a IOPMAssertion which is the recommended way to do it because it is visible in `pmset -g assertions` whereas the former doesn't use that approach (I forgot how exactly it did it, there's like 4 different methods on osx to prevent sleep).

It's been cli util on macos for 10+ years. I remember a gui util called caffeinated, though.

Caffeine was a front-end by a third party company. Used it back in the day, the command existed already though.

Since then I've moved to Amphetamine (same purpose menu-bar app, even stronger chemicals, has timed keep-awake etc).

Anyone know of a Ubuntu on WSL equivalent?

https://learn.microsoft.com/en-us/windows/powertoys/awake to keep Windows itself awake?

Hoping for something in WSL land.

`vmIdleTimeout` in .wslconfig might be an option? Win 11 only though

apt install caffeine