Stewart Russell on Nostr: npub1t7dmr…zpqpp Raspberry Pi OS does this too: select 'Overlay Filesystem' in ...npub1t7dmr2xue8zaxsxhy2xkdja0nx6f8cu8y8l7hfksw98y773djkgquzpqpp (npub1t7d…pqpp) Raspberry Pi OS does this too: select 'Overlay Filesystem' in raspi-config, and you're read-only from next boot. It's handy