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Date: Fri, 16 Jul 2004 05:22:53 +0100
From: David Kreil [EMAIL PROTECTED]
Hi,
(1) I was wondering whether anyone knew of packages/tools to aid in
sanitizing
a FreeBSD system, i.e., wiping
+ the swap slice
+ non-allocated space on volumes
+ file-tails (the part of the last allocated
Dear cpghost,
Thanks for your fast and helpful comment.
The Handbook describes a basic gdbe setup but mentions that getting other
volumes (like /home) onto a gdbe partition was trickier.
Can you tell me which volumes you have on gdbe and what was required to get
this working?
I wonder, in
Dear Jan,
Thank you very much for your comments!
I wonder, in particular, how system directories like /var would be
kept on a gdbe partition.
Much like any other, but the major issue is that, unlike /tmp/ and swap
(which can be wiped clean when a machine boots with no ill effects),
Hello,
I am writing in the hope that someone can give me a hint of how to either
recover or recreate a virgin FreeBSD /var partition in an otherwise
(apparently) functioning system.
Probably in the process of a drive failure in our hardware raid our /var
volume got corrupted (yeah, I know
Dear Brooks,
Thank you very much for your fast and helpful reply.
# populate /var
/usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var
# add sendmail bits
/usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p /
# create new syslog files
/usr/sbin/newsyslog -CC
# add a lastlog file
Dear Brandon D Valentine,
Thank you for your helpful comments.
You may have to touch/chown/chmod a few files here and there to make
sure the appropriate users have permissions to write to/from them. See
/usr/src/etc/Makefile for some more information on that.
Unfortunately I don't think
in a different way. I'd be
grateful for learning how the blackening works (and why!).
With many thanks for your help in advance,
David Kreil.
Dr David Philip Kreil (`-''-/).___..--''`-._
Research Fellow
the blackening works (and why!).
With many thanks for your help in advance,
David Kreil.
Dr David Philip Kreil (`-''-/).___..--''`-._
Research Fellow`6_ 6
Dear LenZ,
Who are you worried about recovering the data, under what circumstances?
The value of the blackening feature should be that you can give away the drive
and your password, say, under pressure by the [court|mafia|whoever], without
compromising any confidential information on the
Dear Poul-Henning,
Thank you very much for your comments!
From what I can see so far, they are simply overwritten with zeros - is
that
right? If so, the blackening feature would be much weakend, as one can read
up to 20 layers of data even under random data (and more under zeros).
I
Dear Poul-Henning,
On a modern disk there is no sequence of writes that will guarantee
you that your data is iretriveable lost.
Even if you rewrite a thousand times, you cannot guard yourself against
the sector being replaced by a bad block spare after the first write.
Good point. In
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