2012-12-22 [☆] Booting custom kernels in F18 with Secure Boot
kernel linux fedora uefi boot

2012-06-19 [☆] Ubuntu ODM UEFI requirements for secure boot
A system carrying only the Ubuntu signing key will conform to these requirements and may be certified by Canonical, but will not boot any OS other than Ubuntu unless the user disables secure boot or imports their own key database.
ubuntu microsoft uefi

2011-09-21 [☆] UEFI secure booting
people.mjg59 uefi boot