install Hadoop

CentOS:

https://www.vultr.com/docs/how-to-install-hadoop-in-stand-alone-mode-on-centos-7

https://www.linode.com/docs/databases/hadoop/how-to-install-and-set-up-hadoop-cluster/

http://www.michael-noll.com/tutorials/running-hadoop-on-ubuntu-linux-multi-node-cluster/

check nodes status

$HADOOP_HOME/bin/hadoop dfsadmin -report

https://ambari.apache.org/1.2.3/installing-hadoop-using-ambari/content/reference_chap2_1.html

　　Also can access name node web page with port 50070

install Spark

　　https://aodba.com/how-to-install-apache-spark-in-centos-standalone/

https://bigdata-etl.com/how-to-install-apache-spark-standalone-in-centos/

https://www.tutorialspoint.com/apache_spark/apache_spark_installation.htm

https://gist.github.com/darcyliu/d47edccb923b0f03280a4cf8b66227c1

install JAVA

install Scala

install Spark