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Thread: md5sum does not work

  1. #1
    Join Date
    Jul 2006
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    md5sum does not work

    I have just downloaded the lubuntu12.10 iso and tried to check it.

    Neither of the instructions for doing this here:

    https://help.ubuntu.com/community/HowToMD5SUM

    are giving me any joy.

    automatic method gives me: command not found

    semi-automatic method: I really can't work out what I'm supposed to download here, or how...

    Any help much appreciated

  2. #2
    Join Date
    Jul 2005
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    I think I'm here! Maybe?
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    Xubuntu 22.04 Jammy Jellyfish

    Re: md5sum does not work

    What OS are you using when you try to check the md5sum?
    Have you tried the manual method in whatever OS you're using?

  3. #3
    Join Date
    Jul 2006
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    Re: md5sum does not work

    Quote Originally Posted by ajgreeny View Post
    What OS are you using when you try to check the md5sum?
    Have you tried the manual method in whatever OS you're using?

    Apologies, I meant to say I had tried the manual (not automatic) method, giving the above result.

    I'm using ubuntu 11.04

    Thanks for the reply

  4. #4
    prodigy_ is offline May the Ubuntu Be With You!
    Join Date
    Mar 2008
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    Re: md5sum does not work

    Use attached script. Usage:
    Code:
    python cd-md5-verify.py /dev/cdrom /path/to/file.iso
    Attached Files Attached Files
    Last edited by prodigy_; February 24th, 2013 at 06:37 PM.

  5. #5
    Join Date
    Jul 2006
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    28

    Re: md5sum does not work

    hi prodigy_

    I get:

    can't open file 'cd-md5-verify.py': [Errno 2] No such file or directory

    But I have just seen that - I think - the fact that I downloaded the iso with transmission means that it was checked automatically. Does that sound right?

  6. #6
    Join Date
    Jun 2011
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    409
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: md5sum does not work

    Or you can type

    openssl md5 downloaded.iso should do the same as md5sum which should be installed.

  7. #7
    Join Date
    Jul 2007
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    Magic City of the Plains
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    Xubuntu Development Release

    Re: md5sum does not work

    Quote Originally Posted by robinduncan View Post
    I'm using ubuntu 11.04
    Just FYI, 11.04 is no longer supported, so you might want to upgrade.

  8. #8
    Join Date
    Jul 2006
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    Re: md5sum does not work

    Quote Originally Posted by Gyokuro View Post
    Or you can type

    openssl md5 downloaded.iso should do the same as md5sum which should be installed.
    That gives me:

    downloaded.iso: No such file or directory

  9. #9
    prodigy_ is offline May the Ubuntu Be With You!
    Join Date
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    Re: md5sum does not work

    Quote Originally Posted by robinduncan View Post
    can't open file 'cd-md5-verify.py': [Errno 2] No such file or directory
    Sorry, I assumed you would run the script from the folder where you downloaded it. Anyway, try with full path:
    Code:
    python /path/to/cd-md5-verify.py /dev/cdrom /path/to/file.iso

  10. #10
    Join Date
    Jul 2006
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    28

    Re: md5sum does not work

    I know 11.10 is no longer supported, but I was worried Ubuntu 12.04 would not work on my system. Someone recommended Lubuntu, and I'm trying to test-run it, but not getting very far.

    I've just tried booting from the live dvd and choosing the check disk for errors option in the menu. It tells me that the kernel requires PAE, which I do not have. Would it be best to start again and download lubuntu 12.04?

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