ISO Image

This is what I would like to do: Updating a backup then burn new.

I copied the old cd using
dd=if... of=/image.iso

Now I mounted that iso
mount -o loop -t iso9660 image.iso /mnt/image

It is there, no problems till here.

Now it is mounted rw (according to mount)
I want to copy one file INTO it.

But I get "READ ONLY FS"

So what do I do wrong here? It IS mounted rw

Please help, I need to get that done for tomorrow.

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An iso9660 filesystem is intrinsically read only, as I recall. To do what you want, you need to --

1. cp the contents of the filesystem to a directory on an ordinary
(e.g., ext2) filesystem.

2. Make the changes there.

3. Use a tool (such as mkisofs; I don't know if there are others)
to turn the updated directory into an iso9660 image file.

4. Put the new iso9660 image on a CD (for example, with cdrecord).

--
-----------------------------------------------"Never tell me the odds!"--------------
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Palo Alto, California, USA [email protected]
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Here are a few scripts that might help:

To create an ISO image from a directory:

-----cut-----
#!/bin/sh

DIRECTORY=echo "$1/" | cut -d "/" -f1 echo Creating ISO image called "$DIRECTORY".iso... mkisofs -R -J -l "$1" > "$DIRECTORY.iso"

----end cut---

Just make it executable and run it like this:

./makeiso directory

where directory is where you have your files you want to put on CD. This will make an iso with the name directory.iso

Here's another script to burn iso's using cdrecord:

--cut---

#!/bin/sh
cdrecord -eject dev=1,0,0 speed=12 fs=16M -isosize -pad "$1" sleep 2

--end cut--

Again, make this exe. after you've made changes to reflect your current hardware. Use cdrecord --scanbus to see what your dev= settings are and set the speed.

If you save this file as burniso.sh, just "burn" a cd with "burniso directory.iso".

That's it!

hope this helps,

Wlad.

http://www.linuxvoodoo.com     

perl -le '$_="75>42833<33.=3?,13406577073890:;90833<330690<3!!";tr[0-?][ 
YXOUIWLVETHDCNM];print'

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--- Oliver Ob <[email protected]> a écrit : > This is
what I would like to do: Updating a backup

1. You should RTFM before experimenting.
2. ISO9660 is _not_ a writable filesystem.
It was developed for read only media.

If you want to "write" to a ISO image:
1. mount the iso
2. copy the files you want to keep on that iso
in a directory. COpy the others file which you
want on that iso in that directory
3. man mkisofs
4. make the iso from that directory

http://www.linux-learn.org/faqs

=====
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The UNIX Hierarchy - Beginner
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- has yet to learn the basics of "vi"
- has not figured out how to get a directory
- still has trouble with typing <RETURN> after each line of input

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