증상

조치

vi /etc/ssh/sshd_config

- PasswordAuthentication no 주석처리

- PasswordAuthentication yes 추가

# To disable tunneled clear text passwords, change to no here!
#PasswordAuthentication yes
#PermitEmptyPasswords no
#PasswordAuthentication no
PasswordAuthentication yes

sshd 서비스 재구동

# systemctl restart sshd