https://chongyaorobin.wordpress.com/2015/07/01/step-by-step-of-installing-apache-spark-on-apache-hadoop/
http://blog.insightdatalabs.com/spark-cluster-step-by-step/
http://spark.apache.org/docs/latest/
http://www.tutorialspoint.com/apache_spark/apache_spark_installation.htm
http://lab.howie.tw/2013/08/run-spark-in-standalone-deploy-mode.html
http://blog.prabeeshk.com/blog/2014/10/31/install-apache-spark-on-ubuntu-14-dot-04/
http://www.cloudera.com/documentation/cdh/5-1-x/CDH5-Installation-Guide/cdh5ig_spark_installation.html
http://www.cloudera.com/documentation/enterprise/5-4-x/topics/cdh_ig_req_supported_versions.html#xd_583c10bfdbd326ba--5a52cca-1476e7473cd--7f8d