[CentOS-devel] Net Install ISO

Chandana De Silva chandana at desilva.id.au
Wed Oct 10 01:50:37 EDT 2012


Yes, but I would like to know how it was done. It would also make it 
easier in the long run for those using the iso.


On 10/10/12 10:35, Scott Silva wrote:
> on 10/5/2012 7:16 PM Chandana De Silva spake the following:
>> Hello All,
>>
>> I need to create a slightly modified Centos 6.3 Net Install ISO. The
>> modification is trivial, (a default kickstart in isolinux.cfg). I have
>> created a new ISO by loopback mounting the original, copying to a new
>> directory, editing and using mkisofs, and it works as expected.
>>
>> This is how I made the new ISO:
>>
>> <code>
>> cd my_install_directory
>> sudo mkisofs -o ~/centos63-ks.iso -b isolinux/isolinux.bin -c
>> isolinux/boot.cat -no-emul-boot -boot-load-size 4 -boot-info-table -R -J
>> -v -T  .
>> </code>
>>
>> However, I an unable to copy this new ISO into a USB disk using dd, in
>> the same manner as the original net install iso. I believe this is
>> because the new ISO does not include an MBR. How do I include an MBR in
>> the new ISO, so that it can be transferred to a USB disk via DD, in the
>> same way as the original ?
>>
>> Thanks in advance
>>
>> Chandana
>>
> Can't you just modify the usb device after you create it?
>
>
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