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Read Only File System (self.linux4noobs)

submitted 2 weeks ago by floppingfish to c/linux4noobs

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Will my OS break if I make it the system Read Only? I am installing a raspberry pi 4 (Raspberry Pi OS (64-bit)) in my car and read on Lemmy that if I make the system files Read Only my system won't get corrupt when power is abruptly turned off. I will leave the 'home' directory read-write. I realize I will have to remove the drive and run updates regularly.

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[–] frankenswine 2 points 2 weeks ago

Just try and find out! There's a bunch of parts in your File-System hierarchy that the kernel emulates (and therefore sets permission bits itself). My guess? It might work to some extent (maybe even useful enough) bit could inflict unforeseen challenges.

Have fun!