This Edureka Hadoop Administration Training tutorial will help you understand the functions of all the Hadoop daemons and what are the configuration parameters involved with them. It will also take you through a step by step Multi-Node Hadoop Installation and will discuss all the configuration files in detail. Below are the topics covered in this tutorial: 1) What is Big Data? 2) Hadoop Ecosystem 3) Hadoop Core Components: HDFS & YARN 4) Hadoop Core Configuration Files 5) Multi Node Hadoop Installation 6) Tuning Hadoop using Configuration Files 7) Commissioning and Decommissioning the DataNode 8) Hadoop Web UI Components 9) Hadoop Job Responsibilities