James, Thank you very much for this. This is exactly what I was looking for On 10/10/12 23:33, James Pearson wrote: > I believe you need to run 'isohybrid' on the new ISO - e.g. in your case: > > isohybrid ~/centos63-ks.iso > > isohybrid is part of the syslinux package > > Also, you might want to run "hardlink" on your 'my_install_directory' > before running mkisofs - this will make the resulting ISO image a bit > smaller