Mounting ISO r/w

[Daniela]

On Tuesday 27 January 2004 14:31, Lowell Gilbert wrote:
> Daniela <dgw at liwest.at> writes:
> > I need information how to either mount an ISO image r/w or find out what
> > options I must give to mkisofs to recreate it.
> > I have to add and remove some files from the tree, but all other things
> > should stay as they are. I tried vnconfig, but I can't get that thing to
> > mount r/w.
>
> ISO9660 isn't intended to be a fully read-write format.
>
> You can replace files with later versions by adding them to the end of
> a multi-session image, but that doesn't actually remove the original
> from the earlier session.
>
> Occasionally I will do things like this by copying the files out of
> the image, modifying the filesystem, and writing them back to a new
> image, but that technique doesn't automatically give me the same set
> of options on the 9660 filesystem.  Typically, I don't care -- I want
> to use a specific new set of options anyway -- but it's not quite what
> you asked for.

Sounds good, but the problems are that the ISO is bootable and it violates the 
ISO9660 standard in numerous ways. I have trouble figuring out how much 
standard-compliance I can turn off while still producing a readable CD-ROM.

> In theory, it would be possible to do this, but it would be very
> inefficient.  It would require making a new ISO image with every
> modification.
>
> Good luck.