#生產環境切記不要關閉當前窗口或保證telnet服務開啟可以遠程登錄
1.在/etc/ssh/sshd_config中加入以下兩行配置：
UsePAM yes
PasswordAuthentication yes
PermitRootLogin yes
替換更新后的/etc/pam.d/sshd文件，如下：
#%PAM-1.0
auth required pam_sepermit.so
auth substack password-auth
auth include postlogin
# Used with polkit to reauthorize users in remote sessions
-auth optional pam_reauthorize.so prepare
account required pam_nologin.so
account include password-auth
password include password-auth
# pam_selinux.so close should be the first session rule
session required pam_selinux.so close
session required pam_loginuid.so
# pam_selinux.so open should only be followed by sessions to be executed in the user context
session required pam_selinux.so open env_params
session required pam_namespace.so
session optional pam_keyinit.so force revoke
session include password-auth
session include postlogin
# Used with polkit to reauthorize users in remote sessions
-session optional pam_reauthorize.so prepare
重啟sshd服務解決

總結

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