首先配置初始化虚拟机
https://parthgoelblog.wordpress.com/2016/12/31/how-to-install-hadoop-2-7-3-single-node-cluster-on-ubuntu-16-04/
加上Hadoop-daemon.sh start datanode 否则无法启动
详细的步骤
https://www.cnblogs.com/jesse123/p/9122114.html
配置分布式集群环境 Distributed Cluster System（多台虚拟机）hadoop
原文：https://www.cnblogs.com/cschen588/p/11717625.html
