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Thread: md5sum.exe and other questions.

  1. #1
    Just burned his ISO
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    Default md5sum.exe and other questions.

    Ok, I can't seem to get md5sum to work properly.
    I'm using XP sp3.
    I saved it to the system32 folder. When I double click on it, the DOS window opens for a second and then closes.
    Running from a command prompt it tells me that the system cannot find the specified file.

    What am I doing wrong?

    Second question.
    Anyone familiar with Nero 9?
    Can you tell me how to verify a checksum using it?
    Had a look last night, but couldn't find anything.

    Third question.
    I burnt BT3 to CD last night.
    It's booting to a certain point and then tells me it's corrupt or something. I did it wrong, didn't I?

    Yes, I burnt it as an ISO image file. It's probably the checksum, which just goes back to question 1.

  2. #2
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    In XP, having copied over the md5sum.exe like you mentioned, you will need to open a command prompt, enter the relevant directory and type "md5sum name-of-file-to-check" (As opposed to just clicking on the md5sum executable, which it sounds like you were doing )

    Not sure about Nero v9 and checksumming. K3B does it on the fly, when you load an iso image to burn.
    But anyway, md5sum will do the job

    As for your BT3 booting issue, "corrupt or something" isn't any help.
    You'll need to quote the specific error you are seeing

  3. #3
    Just burned his ISO
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    Quote Originally Posted by Re@lity View Post
    In XP, having copied over the md5sum.exe like you mentioned, you will need to open a command prompt, enter the relevant directory and type "md5sum name-of-file-to-check" (As opposed to just clicking on the md5sum executable, which it sounds like you were doing )
    Yep. That's what I was doing.
    It's (bt3-final) saved in my documents.
    What path name do I enter to check it from the command prompt.

    I've got C:\Documents and Settings\User> C:WINDOWS\system32\md5sum.exe
    What do I put in after that?
    I tried a few combinations of C:\Documents and Settings\User\My Documents\bt3-final.iso and stuff like that, but couldn't find the right one.


    Not sure about Nero v9 and checksumming. K3B does it on the fly, when you load an iso image to burn.
    But anyway, md5sum will do the job
    I'll give K3B a try.

    As for your BT3 booting issue, "corrupt or something" isn't any help.
    You'll need to quote the specific error you are seeing
    It goes through the loading process (No HardDisk) then it gets to the following:

    Code:
    ->/base/bin.lzn
    ->/base/changes.lzm
    ->/base/etc.lzm
    ->/base/home.lzm
    
    Cannot read module data. Corrupted download?
    
    ->/base/opt.lzm
    ->/base/pentest.lzm
    ->/base/root.lzm
    ->/base/sbin.lzm
    Then it just stops. The screen stays there with that on it and does nothing else.

  4. #4
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    Quote Originally Posted by Re@lity View Post
    In XP, having copied over the md5sum.exe like you mentioned, you will need to open a command prompt, enter the relevant directory and type "md5sum name-of-file-to-check" (As opposed to just clicking on the md5sum executable, which it sounds like you were doing )
    You can also drag and drop the file overtop of the md5sum.exe
    If you have a digest file you can put it into the same folder as the .exe and it will find it and use it too.
    At least with version 1.2
    Also I just run mine from a folder on my desktop.
    To be successful here you should read all of the following.
    ForumRules
    ForumFAQ
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    Back|Track Wiki
    Failure to do so will probably get your threads deleted or worse.

  5. #5
    Just burned his ISO
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    Tried drag and drop.
    Didn't work.
    Thanks anyway.

  6. #6
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    Quote Originally Posted by Terrry View Post
    Tried drag and drop.
    Didn't work.
    Thanks anyway.
    Is this were you got your md5sum.exe from
    http://etree.org/md5com.html?
    As for doing it from the command prompt navigate to the directory that the file ( you want to check) is in. Then issue # md5sum -c filename.md5
    If the file name does not have an ".md5" I don't believe it will work with that version of the tool.

    You can also try here http://www.md5summer.org/
    And or Here http://www.pc-tools.net/win32/md5sums/

    I have used all three of them before and have had no problems with them.
    Also the last one is the current one that I run in windows.

    As for your boot problems lets wait until you get a valid hash first then we can move forward.
    To be successful here you should read all of the following.
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  7. #7
    Just burned his ISO
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    Ok. The one from pc-tools worked.
    It's the right md5 thingy.

    The problem must be on my end. My pc is on its last legs anyway.
    I'm going to try this out on my friend's laptop and see how it goes.

    I'd thank you for all your help, but I'll most likely be back in an hour with another problem.

  8. #8
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    Sorry, when I said:
    Quote Originally Posted by Re@lity View Post
    ...............enter the relevant directory and type "md5sum name-of-file-to-check"
    I meant to actually go in to the directory (as in enter), not "enter" as in type in the path to it
    I can see now that that wasn't very clear
    Simply put - do it all within the directory holding the iso

    I didn't realise that newer versions of md5sum won't work without a digest file.

    Are you booting the iso from a burned cdr?
    If so, did you use the "verify written data" option and also burn using the slowest speed?
    Maybe try a different brand of media?

    Quote Originally Posted by Terrry View Post
    .......but I'll most likely be back in an hour with another problem.
    Don't forget to start a new thread!

  9. #9
    Super Moderator Archangel-Amael's Avatar
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    Quote Originally Posted by Terrry View Post
    Ok. The one from pc-tools worked.
    It's the right md5 thingy.
    Nice to see you got it working
    I'd thank you for all your help, but I'll most likely be back in an hour with another problem.
    That is generally why we advise to start with more user friendly distro.
    But as long as you are willing to do the grunt work keep going.
    To be successful here you should read all of the following.
    ForumRules
    ForumFAQ
    If you are new to Back|Track
    Back|Track Wiki
    Failure to do so will probably get your threads deleted or worse.

  10. #10
    Just burned his ISO
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    I do have an Ubuntu disc, but that won't install on my HDD.
    I think this is my major problem at the moment and I can't really do much else until I get it sorted.

    I am very willing to do the grunt work though.
    Learn the difficult stuff first and the rest should be easy enough.

    Thanks for the help.

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