Re: Create an UEFI-Bootable ISO-Image

> You need to use mkisofs (the original one by Joerg Schilling) instead of genisoimage; it’s in the Leap OSS repos (but sadly not in SLES, although you can grab it from OBS and/or rebuild the .src.rpm).
>
> Here’s how I invoke mkisofs to create an image bootable from both BIOS and UEFI :
> ====
> BOOTOPTS="-b boot/x86_64/loader/isolinux.bin \
> 	-no-emul-boot -boot-load-size 4 -boot-info-table"
>
> # EFI boot support -- requires the official mkisofs by Joerg Schilling.
> # Some versions of genisoimage (e.g. RedHat/Debian) support this with different
> # options (via a local patch, not included in upstream), but not the SUSE one.
> if mkisofs --version | grep -q Schilling; then
>     ALTBOOT="-eltorito-alt-boot -eltorito-platform efi \
> 	-no-emul-boot -boot-load-size 1 -b boot/x86_64/efi"
> else
>     ALTBOOT=""
>     echo "Warning: disabling EFI support (not supported by this mkisofs)!"
>     echo "Continuing in 5 seconds..."
>     sleep 5
> fi
>
> mkisofs $VERBOSE -o $OUTPUT -V "$VOL_ID" -R  \
> 	$BOOTOPTS $ALTBOOT -graft-points \
> 	-x $SRC/boot/x86_64/loader/isolinux.cfg \
> 	-x $SRC/boot/x86_64/loader/gfxboot.cfg \
> 	-x $SRC/boot/x86_64/loader/isolinux.bin \
> 	-x $SRC/EFI/BOOT/grub.cfg \
> 	-x $SRC/boot/x86_64/vmlinuz-xen \
> 	-x $SRC/boot/x86_64/initrd-xen \
> 	boot/=$SRC/boot  EFI/=$SRC/EFI \
> 	boot/x86_64/vmlinuz-xen=$SRC/boot/x86_64/loader/linux \
> 	boot/x86_64/initrd-xen=$SRC/boot/x86_64/loader/initrd \
> 	$CDROOT \
> 	$SRC/content $SRC/content.asc $SRC/license.tar.gz $SRC/control.xml
> ====
>
> ($SRC is the path to the mounted DVD iso; I copy my own versions of isolinux.cfg/gfxboot.cfg (BIOS) and grub.cfg (UEFI) under $CDROOT/boot/x86_64/loader and $CDROOT/EFI/BOOT, respectively.  The Xen stuff is for space saving, replicating what’s done on the official DVDs for 42.2/SLE12SP2 and newer, where the Xen kernel/initrd are hard links to the default kernel/initrd; for prior versions, they were different kernels.)
>
Hello Andrew,

this works, thank you very much.

Regards

Daniel

-- 
Daniel Spannbauer                         Systemadministration
marco Systemanalyse und Entwicklung GmbH  Tel   +49 8333 9233-27 Fax -11
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