This document summarizes a summer training seminar on BigData Hadoop that was attended. The training was provided by LinuxWorld Informatics Pvt Ltd, which offers open source and commercial training programs. The attendee learned about Hadoop, MapReduce, single and multi-node clusters, Docker, and Ansible. Big data challenges related to volume, variety, velocity, and veracity of data were also covered. Hadoop and its core components HDFS and MapReduce were explained as solutions for storing and processing large datasets in a distributed manner across commodity hardware. Docker containers were introduced as a lightweight alternative to virtual machines.