1. hadoop下载地址 : https://archive.apache.org/dist/hadoop/
2. ssh 免密登录:
$ ssh-keygen -t rsa
$ cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
$ chmod 0600 ~/.ssh/authorized_keys
3. 实例网址: https://blog.csdn.net/bingduanlbd/article/details/51874195
转载于:https://www.cnblogs.com/beibidewomen/p/9120129.html
