Re: Wheezy release: CDs are not big enough any more...
On Tue, May 15, 2012 at 02:45:47PM -0300, Ben Armstrong wrote:
> On 05/15/2012 02:18 PM, Thomas Schmitt wrote:
> > I am a bit scared by the catastrophic potential of
> > cat debian.iso > /dev/sdX
> > for X = valuable hard disk.
>
> I've wondered about that, too, when working on the relevant section of
> the Debian Live Manual.
>
> > Maybe one should advise people to first read a few MB from the stick
> > and watch it blinking, before one uses that address for writing
> >
> > dd if=/dev/sdX of=/dev/null bs=1M count=100
>
> Interesting approach.
>
> As for me, I just never write to a USB key as root unless I'm absolutely
> sure I need to. (Yes, I could still trash the wrong USB attached
> storage, but that's likely less catastrophic than what I could
> accomplish as the superuser.) What I wonder, though, is if it is
> universally true that ordinary users will always have write access to a
> USB key they've just inserted. Under what circumstances will they not?
> Keep in mind, the user may very well be writing the USB from some
> non-Debian system.
ls /dev/disk/by-id/usb-* #?
Hopefully the system is not run from a USB storage device.
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