amd64: ubuntu@amd64-secureboot-testing:~$ cat /sys/kernel/security/lockdown none [integrity] confidentiality ubuntu@amd64-secureboot-testing:~$ sudo dmesg | grep secureboot [ 0.000000] secureboot: Secure boot enabled [ 0.004605] secureboot: Secure boot enabled ubuntu@amd64-secureboot-testing:~$ uname -a Linux amd64-secureboot-testing 6.5.0-2-generic #2-Ubuntu SMP PREEMPT_DYNAMIC Mon Aug 28 08:46:00 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
amd64: amd64-secureboo t-testing: ~$ cat /sys/kernel/ security/ lockdown amd64-secureboo t-testing: ~$ sudo dmesg | grep secureboot amd64-secureboo t-testing: ~$ uname -a t-testing 6.5.0-2-generic #2-Ubuntu SMP PREEMPT_DYNAMIC Mon Aug 28 08:46:00 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@
none [integrity] confidentiality
ubuntu@
[ 0.000000] secureboot: Secure boot enabled
[ 0.004605] secureboot: Secure boot enabled
ubuntu@
Linux amd64-secureboo