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Archiv für March, 2013

Massive changes ahead – UEFI secure boot soon to be supported

Tuesday, March 12th, 2013

We are working on our first images that work on UEFI secure boot as well as on normal BIOSes. This is quite a challenge, since until now images were prepared with genisoimage and later patched with isohybrid to contain a partition table. This resulted in images that could either written to CD or to USB stick. When written to a USB thumb drive some magic in the initramfs moved ISO filesystem and bootloader and created a new MBR partition table with one empty FAT32 partition at the start of the USB stick. This way the majority of space of a thumb drive could still be used – especially users with drives of 8GB or larger appreciated this feature. (more…)