ubuntu@test-b1:~$ uname -a Linux test-b1 4.15.0-141-generic #145-Ubuntu SMP Wed Mar 24 18:08:07 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@test-b1:~$ sudo keyctl list %:.builtin_trusted_keys 3 keys in keyring: 335785479: ---lswrv 0 0 asymmetric: Build time autogenerated kernel key: 94c1dbbf9057c249d34783f9fbd868815acc6f0a 743718234: ---lswrv 0 0 asymmetric: Canonical Ltd. Kernel Module Signing: 88f752e560a1e0737e31163a466ad7b70a850c19 190144923: ---lswrv 0 0 asymmetric: Canonical Ltd. Live Patch Signing: 14df34d1a87cf37625abec039ef2bf521249b969
ubuntu@test-b1:~$ uname -a
Linux test-b1 4.15.0-141-generic #145-Ubuntu SMP Wed Mar 24 18:08:07 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@test-b1:~$ sudo keyctl list %:.builtin_ trusted_ keys 9d34783f9fbd868 815acc6f0a 37e31163a466ad7 b70a850c19 625abec039ef2bf 521249b969
3 keys in keyring:
335785479: ---lswrv 0 0 asymmetric: Build time autogenerated kernel key: 94c1dbbf9057c24
743718234: ---lswrv 0 0 asymmetric: Canonical Ltd. Kernel Module Signing: 88f752e560a1e07
190144923: ---lswrv 0 0 asymmetric: Canonical Ltd. Live Patch Signing: 14df34d1a87cf37