* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

AWS EC2에 연결하고자 ssh 명령어를 실행하는데 다음과 같이 뜨면서 오류가 발생합니다.

themr@Inferno-Mk-1 MINGW64 ~
$ ssh -i /c/Users/themr/Downloads/adadad.pem ubuntu@3.34.136.175
The authenticity of host '3.34.136.175 (3.34.136.175)' can't be established.
ED25519 key fingerprint is SHA256:rHf5xra0jBSgR5ugSShGj8OxW7jRkGq06tn1Gir5mWk.
This key is not known by any other names
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '3.34.136.175' (ED25519) to the list of known hosts.
ubuntu@3.34.136.175: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).


themr@Inferno-Mk-1 MINGW64 ~
$ ssh -i /c/Users/themr/Downloads/adadad.pem ubuntu@3.34.136.175
ubuntu@3.34.136.175: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).


themr@Inferno-Mk-1 MINGW64 ~
$ ssh -i /c/Users/themr/Downloads/adadad.pem ubuntu@3.34.136.175
ubuntu@3.34.136.175: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
themr@Inferno-Mk-1 MINGW64 ~
ubuntu@3.34.136.175: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).


themr@Inferno-Mk-1 MINGW64 ~
ubuntu@3.34.136.175: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).




themr@Inferno-Mk-1 MINGW64 ~
ubuntu@3.34.136.175: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).




themr@Inferno-Mk-1 MINGW64 ~
$ ssh -i /c/Users/themr/Downloads/adadad.pem ubuntu@3.34.136.175
ubuntu@3.34.136.175: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).