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andrewbarr
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Joined: 09 Jul 2004
Posts: 172
Location: Madison County, Ohio
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 Posted: Wed Sep 15, 2004 10:32 pm Post subject: Extracting a CD boot image |
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In the old days, when I used Windows, there was a program called ISOBuster that allowed for the extraction of a boot image of a CD-ROM. You could then use the file created to burn a new bootable CD. I would like to do this now, in Linux. I have an inkling this could be done with the 'dd' command. However, I don't know enough about the layout of El Torito CD-ROMs to know what options to pass to dd. Does anyone know how to do this? TIA.
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nonotme
Guru
Joined: 29 Sep 2003
Posts: 356
Location: on.ca
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| Posted: Wed Sep 15, 2004 10:43 pm Post subject: |
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i'm not exactly sure what you're asking. (sorry, it's me) you want to create a complete image of a cd? something like | Code: | | dd if=/dev/hdc of=cd_image.iso |
should do the trick.
correct me if i misunderstood.
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andrewbarr
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Joined: 09 Jul 2004
Posts: 172
Location: Madison County, Ohio
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| Posted: Wed Sep 15, 2004 11:00 pm Post subject: |
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No, that's not exactly what I had in mind. That'll get me the whole cd ISO image. Basically, I want to copy just the boot sector on this CD-ROM to a file and use that file to burn a new bootable CD.
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dbergst
Tux's lil' helper
Joined: 25 Mar 2003
Posts: 88
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| Posted: Thu Sep 16, 2004 12:15 am Post subject: Re: Extracting a CD boot image |
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| andrewbarr wrote: | | In the old days, when I used Windows, there was a program called ISOBuster that allowed for the extraction of a boot image of a CD-ROM. You could then use the file created to burn a new bootable CD. I would like to do this now, in Linux. I have an inkling this could be done with the 'dd' command. However, I don't know enough about the layout of El Torito CD-ROMs to know what options to pass to dd. Does anyone know how to do this? TIA. |
This article may help:
http://www.linux4all.de/livecd/barebone/doc/mkisofs-2.01/README.eltorito |
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andrewbarr
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Joined: 09 Jul 2004
Posts: 172
Location: Madison County, Ohio
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| Posted: Thu Sep 16, 2004 5:01 pm Post subject: |
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Thanks for the link. The CD I'm copying doesn't do floppy emulation (it's a damaged Windows 2000 CD), but I've discovered that Googling around you can download the Windows CD boot sector from 'bootable Windows CD' tutorial sites. That'll be easier anyway. Thanks again.
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dbergst
Tux's lil' helper
Joined: 25 Mar 2003
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| Posted: Thu Sep 16, 2004 11:38 pm Post subject: |
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| andrewbarr wrote: | | Thanks for the link. The CD I'm copying doesn't do floppy emulation (it's a damaged Windows 2000 CD), but I've discovered that Googling around you can download the Windows CD boot sector from 'bootable Windows CD' tutorial sites. That'll be easier anyway. Thanks again. |
That is a true statement. I have downloaded the Win2k boot sector files in the past for stuff like this and they do work so you should be able to regenerate your damaged CD. |
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nonotme
Guru
Joined: 29 Sep 2003
Posts: 356
Location: on.ca
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| Posted: Fri Sep 17, 2004 5:07 am Post subject: |
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ah my mistake. glad you found your answer though 
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