현상 : Dec 10 11:27:24 baropam sshd(pam_baro_auth)[58877]: Invalid verification code Dec 10 11:27:24 baropam unix_chkpwd[58879]: password check failed for user (baropam) Dec 10 11:27:24 baropam sshd[58877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=10.0.2.2 user=baropam원인 : Interactive mode를 지원하지 않음. 조치 : "/etc/pam.d/sshd" 설정 시 nullok를 ..