Re: write only storage.
On Tue, Sep 21, 2021 at 12:50:18PM -0400, Michael Stone wrote:
> Well, chattr -i turns that off
>
> On Tue, Sep 21, 2021 at 04:29:07PM +0000, Toni Mas Soler wrote:
> > 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 <debianuser@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.
>
>
>
Write only storage - DVD-R or equivalent Blu-Ray - but make sure to end the
session. Deletion - feed through a paper shredder.
Or something with a physical write tab that can't be overwritten a la 3.5"
floppy disk.
All the very best,
Andy Cater
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