Making a mounted ISO image of a CD-ROM writable

Roland Smith rsmith at
Thu Jul 12 20:53:29 UTC 2007

On Thu, Jul 12, 2007 at 12:38:10PM -0700, Paul Hoffman wrote:
> Greetings again. I want to make an ISO image of the FreeBSD distribution 
> with a boot.config file that contains "/boot/loader -h". I have the ISO 
> image as a file on my hard drive, and have mounted it on /mnt:
> mdconfig -a -t vnode -f /path/to/my/bootable.iso -u 0
> mount -w -t cd9660 /dev/md0 /mnt
> However, when I try to create files on /mnt, I get:
> -su: boot.config: Read-only file system
> How do I make it so that I can write into /mnt so that I can then later 
> save those back to the ISO image?

Try the sysutils/isomaster port.

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