Dive into a comprehensive tutorial series on Elasticsearch, covering installation on various platforms, architecture overview, and practical usage. Learn to set up Elasticsearch on CentOS Linux and Ubuntu, explore the ELK stack, and understand recent changes in Elasticsearch's licensing model. Master Docker-based deployments, create indexes, add documents, and perform searches. Set up Kibana on CentOS and in Docker environments, and explore Logstash pipeline configurations for effective log management and analysis.