Manage secure settings (e.g., passwords, tokens, and credentials) used by Elasticsearch. More information: https://www.elastic.co/guide/en/elasticsearch/reference/current/elasticsearch-keystore.html.
elasticsearch-keystore create
elasticsearch-keystore create -p
elasticsearch-keystore add {{setting_name}}
echo "{{setting_value}}" | elasticsearch-keystore add --stdin {{setting_name}}
elasticsearch-keystore remove {{setting_name}}
elasticsearch-keystore passwd
elasticsearch-keystore list
elasticsearch-keystore upgrade