The Pi 3 and 4 can also boot from TFTP with an NFS root. This also allows you to... | Hacker News

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LeoPanthera on Oct 6, 2021 | parent | context | favorite | on: Writing a “bare metal” operating system for Raspbe...

The Pi 3 and 4 can also boot from TFTP with an NFS root. This also allows you to switch the OS your Pi is booting just by renaming a symlink on your server. All my home Pis boot that way. As a bonus, you never need to worry about an SD card going bad.

floxy on Oct 7, 2021 [–]

But you need to be connected through the ethernet port, and not through wifi, right?

LeoPanthera on Oct 8, 2021 | [–]

That’s correct.

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