The authenticity of host 'localhost (127.0.0.1)' can't be established的处理方法_认知 行动 坚持-CSDN博客a ssh localhost的时候遇到：ubuntu@VM-0-15-ubuntu:~/taoge/hadoop_begin/hadoop-2.7.5$ ssh localhostThe authenticity of host 'localhost (127.0.0.1)' can't be established. 怎么办？ubuntu@VM-0-15-ubuntu:~/....https://blog.csdn.net/stpeace/article/details/79426471按照上面这个文章执行即可成功连接
重点是：
SendEnv LANG LC_*
HashKnownHosts yes
GSSAPIAuthentication yes
GSSAPIDelegateCredentials no
StrictHostKeyChecking no
UserKnownHostsFile /dev/null
以上设置缺一不可~尤其是加粗内容一定要有 不然不会成功
