root@j:~# uname -a Linux j 6.8.0-1014-gcp #15~22.04.1-Ubuntu SMP Mon Aug 19 15:15:44 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux root@j:~# dmesg | grep -i "secure boot" | head -n3 [ 0.000000] secureboot: Secure boot enabled [ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7 [ 0.016708] secureboot: Secure boot enabled root@j:~# cat /sys/kernel/security/lockdown none [integrity] confidentiality
root@j:~# uname -a Linux j 6.8.0-1014-gcp #15~22.04.1-Ubuntu SMP Mon Aug 19 16:10:08 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux root@j:~# dmesg | grep -i "secure boot" | head -n3 [ 0.000000] secureboot: Secure boot enabled [ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7 [ 5.095965] Loaded X.509 cert 'Canonical Ltd. Secure Boot Signing: 61482aa2830d0ab2ad5af10b7250da9033ddcef0' root@j:~# cat /sys/kernel/security/lockdown none [integrity] confidentiality
root@j:~# uname -a security/ lockdown
Linux j 6.8.0-1014-gcp #15~22.04.1-Ubuntu SMP Mon Aug 19 15:15:44 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
root@j:~# dmesg | grep -i "secure boot" | head -n3
[ 0.000000] secureboot: Secure boot enabled
[ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7
[ 0.016708] secureboot: Secure boot enabled
root@j:~# cat /sys/kernel/
none [integrity] confidentiality
root@j:~# uname -a 2ad5af10b7250da 9033ddcef0' security/ lockdown
Linux j 6.8.0-1014-gcp #15~22.04.1-Ubuntu SMP Mon Aug 19 16:10:08 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux
root@j:~# dmesg | grep -i "secure boot" | head -n3
[ 0.000000] secureboot: Secure boot enabled
[ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7
[ 5.095965] Loaded X.509 cert 'Canonical Ltd. Secure Boot Signing: 61482aa2830d0ab
root@j:~# cat /sys/kernel/
none [integrity] confidentiality