# SSH “Failed to start OpenSSH Server daemon”

[參考資料](https://developer.aliyun.com/article/103191)

$ systemctl status sshd        #顯示code：exited，Failed to start OpenSSH Server daemon
$ sshd -t                      #測試，會顯示錯誤訊息
                               #根據訊息可知，key的私鑰檔權限設為0640
                               #合法應設為600
$ cd /etc/ssh                  #將所有私鑰檔權限設為600
$ systemctl start sshd