How to install hadoop 3.2.1 centos7 step by step

You can follow step by step here https://github.com/TSeekasamit/bigdata/blob/master/install-hadoop3.2.1-centos7 Credit : Thank you to https://www.itzgeek.com/how-tos/linux/ubuntu-how-tos/install-apache-hadoop-ubuntu-14-10-centos-7-single-node-cluster.html