Kernel successfully booted with Secure Boot:
root@focal-vm:~# dmesg | grep -i secure [ 0.000000] secureboot: Secure boot enabled [ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7 [ 0.003604] secureboot: Secure boot enabled
root@focal-vm:~# cat /sys/kernel/security/lockdown none [integrity] confidentiality
Kernel successfully booted with Secure Boot:
root@focal-vm:~# dmesg | grep -i secure
[ 0.000000] secureboot: Secure boot enabled
[ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7
[ 0.003604] secureboot: Secure boot enabled
root@focal-vm:~# cat /sys/kernel/ security/ lockdown
none [integrity] confidentiality