writing CDs with dd?
Rashkae
ubuntu at tigershaunt.com
Tue Sep 11 13:49:02 UTC 2007
Tomoki Taniguchi wrote:
> I just created a cd image using dd
>
>> dd if=/dev/scd0 of=cd.img
>
> then i tried to write the cd image back onto a blank cd using dd
>
>> dd if=cd.img of=/dev/scd0
>
> I gen an error saying scd0 is a readonly device
>
> is there a way to write a CD using dd?
>
No, no, and and a big no. CD-R and DVD-R media cannot be written to
like a normal block device. (I never realized how counter intuitive that
was before. I guess you had to be there when they first came out :) )
Try using cdrecord instead.
cdrecord dev=/dev/scd0 -v -dao cd.img
Note: in the future, if you need to grab an image of a cd, name the file
something.iso Ubuntu GUI will recognize .iso file extension as a CD
image and will do the right thing with it on a right click.
Note 2: This probably won't have desired results on a music or mixed
mode CD (CD's with music tracks as well as a data track)
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