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Thread: Accessing Windows Registry Through Knoppix

  1. #1
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    Accessing Windows Registry Through Knoppix

    I am running Knoppix 3.7 to recover from a damaged Windows installation and I need to access the Windows Registry. Does Knoppix have a way to access and modify the Registry? Thanks.

  2. #2
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    Yes it's possible to edit the windows registry from within Knoppix using a tool called "chntpw". I go over this in detail in Knoppix Hacks, but here's the gist of it:

    Download the chntpw deb from http://packages.debian.org/unstable/admin/chntpw

    Extract the chntpw binary by turning the deb into a tarball:
    Code:
    alien --to-tgz chntpw_0.99.2-1_i386.deb
    Then untar it. Make sure the windows partition is mounted read/write (if it's NTFS you'll need to make sure you have already set up captive-ntfs). Then you can use the chntpw utility to access a specific hive (usually you'll want something like the SAM or SOFTWARE hive under winnt\system32\config):

    Code:
    /home/knoppix/chntpw SAM
    As you can see I just left the chntpw utility in my home directory. The chntpw tool has an integrated help you can use to get a handle on how to use it, but basically it's like navigating a filesystem. Once you are finished editing the registry, sync, and unmount your partition to make sure the changes stuck (extra important if you are using captive-ntfs). Also make a backup copy of the registry hive you are editing just in case.

  3. #3
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    hey, great tool, provided it works as one might expect.

    however, concerning conversion to *.tar:
    isn't it already a compressed *.tar if downloaded using this link:
    http://ftp.debian.org/debian/pool/no....2.orig.tar.gz
    ?

    have a nice day,
    ulrich

  4. #4
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    Quote Originally Posted by ulrich
    hey, great tool, provided it works as one might expect.

    however, concerning conversion to *.tar:
    isn't it already a compressed *.tar if downloaded using this link:
    http://ftp.debian.org/debian/pool/no....2.orig.tar.gz
    ?

    have a nice day,
    ulrich
    Unfortunately, that is just a link to the original source in tarball form. There isn't a precompiled binary to be found there like with the .deb, so you would have to add a step of compiling chntpw.

  5. #5
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    Just wondering, why do we need to turn it into a tarball? Can't we just install using dpkg?

  6. #6
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    Quote Originally Posted by foamrotreturns
    Just wondering, why do we need to turn it into a tarball? Can't we just install using dpkg?
    You can if you are installed to a hard drive, but if you are running off of a Knoppix CD most Debian packages won't directly install, as all of /usr is read-only. I turn it into a tarball so I can just extract the binary I need into the home directory (which I can write to).

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