List Keys

gpg --list-secret-keys --keyid-format=long

The result

praveen@lk:~/host-repo$ gpg --list-secret-keys --keyid-format=long
/home/praveen/.gnupg/pubring.kbx
--------------------------------
sec   rsa3072/5FC284DF2BEEBB57 2023-05-13 [SC]
      59089308690F5XXXXX8482235FC284DF2BXXXB57
uid   [ultimate] Praveen Dias (Praveen's GPG Key) <praveendias1180@gmail.com>
ssb   rsa3072/XXXXDC837C75ADEB 2023-05-13 [E]

Generate Key

gpg --full-generate-key

https://docs.github.com/en/authentication/managing-commit-signature-verification/generating-a-new-gpg-key

Unverified Commits

Verify Commits

git config --global user.signingkey 5FC284DF2BEEBB57
git config --global commit.gpgsign true