arm64: ubuntu@arm64-secureboot-testing:~$ uname -a Linux arm64-secureboot-testing 6.8.0-1002-gcp #2-Ubuntu SMP Tue Feb 13 17:24:18 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@arm64-secureboot-testing:~$ sudo dmesg | grep secure [ 0.000000] secureboot: Secure boot enabled [ 2.775793] ima: secureboot mode enabled
ubuntu@arm64-secureboot-testing:~$ cat /sys/kernel/security/lockdown none [integrity] confidentiality
arm64: arm64-secureboo t-testing: ~$ uname -a t-testing 6.8.0-1002-gcp #2-Ubuntu SMP Tue Feb 13 17:24:18 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@
Linux arm64-secureboo
ubuntu@ arm64-secureboo t-testing: ~$ sudo dmesg | grep secure
[ 0.000000] secureboot: Secure boot enabled
[ 2.775793] ima: secureboot mode enabled
ubuntu@ arm64-secureboo t-testing: ~$ cat /sys/kernel/ security/ lockdown
none [integrity] confidentiality