Douglas Eadline is the instructor for this essential Big Data LiveLessons. Eadline is a practitioner and writer in the Linux Cluster community and previously authored Hadoop Fundamentals LiveLessons which focused on many of the basic aspects of Hadoop processing. Eadline is a co-author of the companion book Apache Hadoop YARN, Moving Beyond MapReduce and Batch Processing with Apache Hadoop 2. Doug provides a clear and complete introduction to many of the important Apache Hadoop YARN tasks and topics. In addition to a sound background on Hadoop design, he provides several installation scenarios including a laptop, cluster, and cloud. The Ambari graphic installation tool is explained and used for both installation and administration. You will also learn how to write your own YARN applications and what is needed to run Hadoop version 1 applications. Some familiarity with Java, Hadoop MapReduce and the Hadoop Distributed File System is helpful but not necessary. All example code and Lesson notes are available for download.