Installing from the RPM repository
https://www.elastic.co/guide/en/elasticsearch/reference/current/rpm.html#rpm-repo
Starting Elasticsearch
https://www.elastic.co/guide/en/elasticsearch/reference/current/starting-elasticsearch.html
Stopping Elasticsearch
https://www.elastic.co/guide/en/elasticsearch/reference/current/stopping-elasticsearch.html
Proxy settings
https://www.elastic.co/guide/en/elasticsearch/plugins/current/_other_command_line_parameters.html