Hadoop集群免密码登陆 出现 SSH的 The authenticity of host xxx.xxx.xxx.xxx can't be established. 问题
安装hadoop官方文档设置免密码登陆Ifyoucannotsshtolocalhostwithoutapassphrase,executethefollowingcommands:$ssh-keygen-tdsa-P''-f~/.ssh/id_dsa$cat~/.ssh/id_dsa.pub>>~/.ssh/authorized_keys登陆是出现Theauthenticityofhost'lo