https://opensearch.org/downloads.html
https://opensearch.org/docs/latest/quickstart/
https://opensearch.org/docs/latest/install-and-configure/install-opensearch/debian/


https://opensearch.org/docs/1.2/opensearch/rest-api/cat/cat-indices/
# curl -X GET https://localhost:9200/_cat/indices?v -u 'admin:admin' --insecure

# vim /etc/opensearch/opensearch.yml
...
plugins.security.disabled: true
...

# curl -X GET 'http://localhost:9200/_cat/indices?pretty'

https://opensearch.org/docs/latest/install-and-configure/install-dashboards/plugins/
# vim /etc/opensearch-dashboards/opensearch_dashboards.yml
...
server.host: "192.168.20.10"
...
opensearch.hosts: [http://localhost:9200]
#...
#...

/usr/share/opensearch-dashboards/bin/opensearch-dashboards-plugin remove securityDashboards --allow-root

# systemctl restart opensearch-dashboards

https://opensearch.org/docs/latest/tools/logstash/index/
# wget https://artifacts.opensearch.org/logstash/logstash-oss-with-opensearch-output-plugin-8.6.1-linux-x64.tar.gz
~/logstash-8.6.1# bin/logstash -e "input { stdin {} } output { stdout {} opensearch {} }"

https://opensearch.org/docs/1.0/clients/agents-and-ingestion-tools/index/
# wget http://62.113.231.233/vendor/pool/main/f/filebeat/filebeat-oss-7.12.1-amd64.deb