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

# wget https://artifacts.opensearch.org/releases/bundle/opensearch/2.14.0/opensearch-2.14.0-linux-x64.deb

# OPENSEARCH_INITIAL_ADMIN_PASSWORD='Pa##w0rd##' dpkg -i opensearch-2.14.0-linux-x64.deb

# systemctl daemon-reload
# systemctl enable opensearch.service --now

• https://opensearch.org/docs/latest/api-reference/cat/cat-indices/

# curl -X GET https://localhost:9200/_cat/indices?v -u 'admin:Pa##w0rd##' --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