no supported authentication methods available (server sent publickey gssapi-keyex gssapi-with-mic)

no supported authentication methods available (server sent publickey gssapi-keyex gssapi-with-mic)

라고 하면서 SSH 접속이 안될경우

ssh 수정

# vi /etc/ssh/sshd_config

# PasswordAuthentication yes

# ChallengeResponseAuthentication yes

를

# 없애서

PasswordAuthentication yes

ChallengeResponseAuthentication yes

# service sshd restart

하면 된다.