List all indexes on ElasticSearch server?

Question

I would like to list all indexes present on an ElasticSearch server. I tried this:

curl -XGET localhost:9200/

but it just gives me this:

Answer 1

For Elasticsearch 6.X, I found the following the most helpful. Each provide different data in the response.

# more verbose
curl -sS 'localhost:9200/_stats' | jq -C ".indices" | less

# less verbose, summary
curl -sS 'localhost:9200/_cluster/health?level=indices' | jq -C ".indices" | less