Well:
I've downloaded K,X,Ubuntu 8.04.1 iso images.
I've mounted these images, copied the files, setup isolinux/isolinux.cfg.
When I burn the image to DVD and try to boot off it, I get an error
ISOLINUX 3.53 Debian-2007-12-11 isolinux: Image checksum error, sorry...
So I started off again to first get it working with a single distro, Ubuntu 8.04.1.
First, I mounted the ISO using gmount-iso and copied over all the files
Code:
cd ~/downloads/test
cp -R -p -v /media/isomount/* .
sudo cp -R -p -v /media/isomount/.disk .
Then, I ran an md5 check to ensure that the files are copied OK
Code:
md5sum -c md5sum.txt | grep -i fail
Then, I created the CD image with
Code:
mkisofs -J -R -l -r -V "Ubuntu 8.04.1 i3" -o ~/downloads/ubuntuaio.iso -b isolinux/isolinux.bin -no-emul-boot -boot-load-size 4 .
Note that I've kept the volume ID the same as the original disk image.
When I boot this image, either in Virtual Box, or by burning it to CD, I get the same error as mentioned before.
I mount the custom CD image manually, and run the md5 check again. and there are no errors (All OK).
The original image mounts and boots perfectly in Virtual Box.
The closest google result on this error revealed that some outdated BIOSes don't work, so I burnt it on a CD and tried it on various machines; in all, the original CD worked fine, my (custom) CD did not.
I'm using a fully updated 32bit ubuntu 8.04.1 installation.
Any suggestions / tips?
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