[nycbug-talk] dd /dev/null before imaging disk
george at galis.org
Mon Sep 11 16:39:46 EDT 2006
On Mon, Sep 11, 2006 at 02:23:37PM -0400, George Georgalis wrote:
>Before imaging a disk, I've been in the habbit of
>dd if=/dev/null >/usr/zeros ; rm /usr/zeros
>etc, for each partition, and from a mini-root cdrom, whatever.
>The idea is to make the media contain the most compressable bytes
>possible. Then I dd the entire disk to bzip2 and save the output
>to my image file.
>I assume this works, I have come up with some rather small image
>So now I want to image an NTFS XP install, is there any good and
>easy way to write out zeros before I image?
...so I tried setting up an apache alias.
Alias /zero "/dev/zero"
but I seem to be missing some magic. tried playing with the asis
handler, and even
AddType application/octet-stream zero
but I'm not getting more than a zero byte file....
Any ideas on what I can do to apache to 'spill the beans'?
George Georgalis, systems architect, administrator <IXOYE><
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