I use to backup my iPhone's photo library using a stfp connection (all in the same directory in my PC). Thus, I can chattr +i the only directory needed and nobody can remove.
I cannot understand why chattr does not achieve you. Toni Mas GPG 3F42A21D84D7E950 Sent with ProtonMail Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ El dimarts, 21 de setembre 2021 a les 17:53, Tim Woodall <debianu...@woodall.me.uk> va escriure: > I would like to have some WORM memory for my backups. At the moment > > they're copied to an archive machine using a chrooted unprivileged user > > and then moved via a cron job so that that user cannot delete them > > (other than during a short window). > > My though was to use a raspberry-pi4 to provide a USB mass storage > > device that is modified to not permit deleting. If the pi4 is not > > accessible via the network then other than bugs in the mass storage API > > it should be impossible to delete things without physical access to the > > pi. > > Before I start reinventing the wheel, does anyone know of anything > > similar to this already in existence? > > Things like chattr don't achieve what I want as root can still override > > that. I'm looking for something that requires physical access to delete.
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