참고한 블로그 먼저 말씀드립니다. https://sangchul.kr/entry/%EB%A6%AC%EB%88%85%EC%8A%A4-userauthpubkey-key-type-ssh-rsa-not-in-PubkeyAcceptedAlgorithms userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms 오류 userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms 오류 테스트 환경 SSH Client(SecureCRT) SSH Server $ lsb_release -d Description: Ubuntu 22.04.1 LTS ssh server 로그 확인 tail -f /var/log/..