grub-check-signatures is part of src:grub2 and has been taught to handle gzipped kernels at least in some versions.
Do note that all kernels >= the currently booted kernel need to be signed.
grub-check- signatures is part of src:grub2 and has been taught to handle gzipped kernels at least in some versions.
Do note that all kernels >= the currently booted kernel need to be signed.