How to make an ISO from CD/DVD in Ubuntu

Posted: May 17, 2011 in Ubuntu
Tags: , , ,

Hello folks. Differently we have done in How to make a ISO from files in Ubuntu 11.04 where we created a ISO from a directory, here we will do a ISO from a CD/DVD and also will be used the command dd instead of mkisofs. I know that, there are others softwares that can do the same task such as K3b, but I prefer to show this way because we can use that to make some script to automatize many tasks.

To do that is simple and easy. Put the DVD in the drive, open a terminal and type:

dd if=/dev/dvd of=dvd.iso

The command above create a ISO from a DVD, now let’s create for CD:

dd if=/dev/cdrom of=cd.iso

Where:

  • if: Specifies the input path. In the cases above were used /dev/dvd and /dev/cdrom.
  • of: Specifies the output path. In the cases above the file that will be generated.
  • That’s it. See you next time.

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    Comments
    1. pete says:

      the problem had with this is copying an iso from a 4.7GB DVD with a 2.1GB iso on it seems to copy all the blocks, which gives a file too large (containing ’empty’ data blocks?) and so won’t give the correct md5sum either, how do you get around this?

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