Ubuntu
grub2 package

  1. Bug #1788864
  2. Comment #2

Comment 2 for bug 1788864

Revision history for this message
josh (freedman-joshua) wrote :

Cannot upgrade Secure Boot enforcement policy due to unsigned kernels │
 │ │
 │ Your system has UEFI Secure Boot enabled in firmware, and the following │
 │ kernels present on your system are unsigned: │
 │ │
 │ 4.18.0-041800rc1-generic │
 │ │
 │ │
 │ These kernels cannot be verified under Secure Boot. To ensure your │
 │ system remains bootable, GRUB will not be upgraded on your disk until │
 │ these kernels are removed or replaced with signed kernels.