creating CentOS 7 iso images
Herb Lewis
hlewis at panasas.com
Mon Mar 20 19:39:44 UTC 2017
Somehow the cut-and-past dropped all the spaces in my mkisofs command.
It should read
mkisofs -o custom.iso -b isolinux/isolinux.bin -c isolinux/boot.cat
-no-emul-boot \
-V 'CentOS 7 x86_64' -boot-load-size 4 -boot-info-table -R -J -v -T test/
On 03/20/2017 12:07 PM, Herb Lewis via samba-technical wrote:
> I've been trying to follow the instructions on the web for creating a
> kickstart boot iso
> but I cannot get it to work. mkisoimage does not generate a bootable
> iso that I can
> copy to my usb drive. Has anyone done this successfully?
>
> Just to make sure it is nothing that I am adding I have just tried to
> duplicate the
> CentOS 7 minimal boot iso. I mounted the iso and copied the contents
> to a new
> directory test. The mkisofs command seems to work but the first 32K
> bytes of
> the .iso that is created are all zeros so it obviously will not boot.
> When I mount
> the created custom.iso and compare with the mounted minimal boot iso I
> see
> that it has also modified the isolinux/boot.cat and
> isolinux/isolinux.bin files
>
> Here is the command I am using to create the iso. Anyone have any
> ideas what
> I am doing wrong?
>
> mkisofs-ocustom.iso-bisolinux/isolinux.bin-cisolinux/boot.cat-no-emul-boot\
>
> -V'CentOS 7 x86_64'-boot-load-size4-boot-info-table-R-J-v-Ttest/
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