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Re: Deletion of files from usb-key



Am 2007-11-07 13:42:57, schrieb Haines Brown:
> I have a SamDisk USB-key filled with photos (.png) which I used for a 
> slide show. I now would like to delete them, but whenever the device
> is rebooted, the files reappear.
> 
> 	$ ls -la /media/usb-key
> 	rwxr-xr-x  file.png /brownh/brownh
> 	...

Hmmm

> However, if I unmount and remount, the files are back (and shown in
> green in xterm, which is not normal).
  ^^^^^^^^^^^^^^

Oh yes, it is normal, siche your USB-Key has a MSDOS filesysten
which mean, the executable (under dos/Win ARCHIVE) flag is set...

> 	$ shred -fuv /media/usb-key *.*
> 	shred: /media/usb-key/<filename>: pass 1/25 (random)...
> 	shred: /media/usb-key/<filename> : fdatasync failed: 
> 		Input/output error
> 	shred: /media/usb-key/<filename>: pass 2/25 (888888)...
> 	shred: /media/usb-key/<filename>: fdatasync failed: 
> 		Input/output error

You must mount the USB-Key with the right UID/GID...

Thanks, Greetings and nice Day
    Michelle Konzack
    Tamay Dogan Network
    Open Hardware Developer
    Debian GNU/Linux Consultant


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