sudo add-apt-repository -y ppa:webupd8team/java sudo apt-get update sudo apt-get -y install oracle-java8-installer java -version https://www.elastic.co/downloads/elasticsearch sudo systemctl enable elasticsearch.service sudo apt install curl sudo service elasticsearch start curl -XGET localhost:9200 { "name" : "DZ7aqFh", "cluster_name" : "elasticsearch", "cluster_uuid" : "7RglH_kDQGaDcjEVlH1JMA"..