$ git config --global user.name "[user name]" $ git config --global user.email "[user email]" $ ssh-keygen -t ed25519 -C "[user email]" $ ssh-keygen -t ed25519 -C "[user email]" >> -t 옵션은 ed25519 대신 rsa $ cat ~/.ssh/id_ed25519.pub 또는 $ cat ~/.ssh/id_rsa.pub