zlacker

Am I right in assuming that running Linux (or anything else than macOS) on the MacStudio is experimental at best?

I'd be looking for something that can run offline and receive system updates from an internal mirror on the airgapped network. Needing to tie an AppleID to the machine and allow it internet access for OS updates is a hard sell. Am I wrong in thinking that keeping an airgapped macOS installation up to date would additional infrastructure that requires some enterprise contract with Apple?

>>baobun+(OP)
IIRC you can download OS update/installation DMG from Apple, put it on a USB key and run it on airgapped system. I don't think you even need Apple ID. MacOS with homebrew works more-less like Linux, at least tooling is basically the same. You won't be able to install any Linux on M3 Ultra.