[syslinux] modifying isolinux.cfg of a given, bootable iso

Luciano Miguel Ferreira Rocha strange at nsk.no-ip.org
Tue Apr 4 03:40:50 PDT 2006

On Tue, Apr 04, 2006 at 11:14:44AM +0300, Ian Brown wrote:
> Hello,
>  I want to modify  isolinux.cfg of a given, bootable iso
> (of Linux CentOs installation) according to my needs.
> The things is :
> I copy the contents of that iso to a different directory.
> I modify the isolinux.cfg according to my needs.
> Then what?
> I had of course googled for it.
> I had tried afterwards:
> mkisofs -o centos1.iso -b isolinux/isolinux.bin -no-emul-boot
> -boot-load-size 4 -boot-i
> But the result is different:
> Opening this new iso showed that all sunfolders are uppercase.
> Moreover, there are files which look like:
> GPL.;1

You're missing, at least, the -r option.

> what is the correct mkisofs command which I should issue in such a case?
> Is there a way to retrieve the exact syntax of mkisofs with which that iso
> was prepared (by some util like isoinfo)?

In some cases, you can find the options by running:
strings image.iso | less

BTW, this isn't syslinux related, is mkisofs related...


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