Assuming you have 3 nodes:
node1, node2, node3, ensure the hosts file contains the following entries on all nodes:
1 2 3
Be sure replace
192.168.x.x with the actual IPs for each node.
Download binaries from http://spark.apache.org/downloads.html and extract it to
Start the master process on
Start worker processes on each node:
Check the Spark UI at
http://node1:8080 to make sure all workers have registered with the master.