mm0fmf  wrote:
> On 20/03/2021 11:35, Jim Jackson wrote:
>> It sounds like you usage is a fit for running with the root file system
>> readonly
>
> Thanks. I found an article from 2016 about making root read only FS for
> a Pi. I'll give that a test run tomorrow and see how it goes.

The "PiCore" version of Tiny Core Linux runs on the Pi with the core
system entirely in RAM. It should be possible to have that boot from
a read-only partition, though it might be easiest to remount it
read-only after booting to avoid modifying the boot scripts.

By remastering PiCore with all your required software "built-in" it
would be possible to run everything in RAM and unmount the SD card
entirely after boot.

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