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Re:Bare-Metal Kubernetes with K3s by marcosdumay on Tuesday December 22, 2020 @12:06PM (#25508483)
Bare metal has meant "whithout a supervisor" to operations for more than a decade. It has also meant "without an emulator" to the emulation community for a really long time.

I imagine it also has some meaning for the music community.

Re:Bare-Metal Kubernetes with K3s by tyingq on Tuesday December 22, 2020 @12:24PM (#25508723)
Sure. For comparison, I can find references to "bare metal" meaning "no operating system" dating back to 1989...3 decades:

https://apps.dtic.mil/dtic/tr/fulltext/u2/a219356.pdf (search for bare-metal)

I suspect it comes from the automotive paint industry. Sanding down to the "bare metal" for the best finish...where the primer and paint are as close to the substrate as they can be.