[ILUG] shred & reiserfs

[John Paul Hayes]

On 10/27/05, kevin lyda <kevin at ie.suberic.net> wrote:
>
> On Thu, Oct 27, 2005 at 02:48:39PM +0100, Pat O'Leary wrote:
> > I need to permanently erase some files from a directory on a
> > SuSE 9.3 pc. I looked at shred, but the man page suggests that it may
> not
> > fully erase a file on an ext2 or reiserfs. Does anybody know of a
> utility
> > which will do the jod as good as shred does ?. I have traweled the net &
> > all I can come up with is a lot of references to shred not working well
> > with reiserfs or ext3.
>
> I actually use wipe - it's a gnu util. But I'm guessing shred is
> similar.
>
> If it's super-important, you need to use a large magnet, a sledgehammer
> and a well stoked furnace.
>
> For less effort I'd suggest doing the following:
>
> wipe/shred files
> then in a directory on each partition that had files:
> dd if=/dev/zero of=foo
> wipe/shred foo


How about the opposite? Besides pulling the file/directory from backup, is
there any effective recovery or undelete tools available?

Jp