总用量 16
-rw------- 1 hadoop hadoop 2018  8月 13 10:48 authorized_keys
-rw------- 1 hadoop hadoop 1679  8月 13 09:51 id_rsa
-rw------- 1 hadoop hadoop  403  8月 13 09:51 id_rsa.pub
-rw------- 1 hadoop hadoop 1328  8月 13 10:48 known_hosts