2.3 Download and install HDFS
download tarball, hadoop-2.7.2.tar.gz
http://www.apache.org/dyn/closer.cgi/hadoop/common/
download and unzip and move to /opt
download tarball, hadoop-2.7.2.tar.gz
http://www.apache.org/dyn/closer.cgi/hadoop/common/
download and unzip and move to /opt