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Elasticsearch

curl -XGET 'http://localhost:9200/_cluster/health?pretty=true'

curl -XGET 'http://localhost:9200/_nodes?pretty=true'

curl -XGET 'http://localhost:9200/_cat/shards'

curl -XGET 'http://localhost:9200/_cat/shards/filebeat?pretty=true'

{"error":"Content-Type header [application/x-www-form-urlencoded] is not supported","status":406}

In order to fix issue specify header with your curl XPUT.

curl -XPUT 'localhost:9200/_settings' -H 'Content-Type: application/json' -d '
{
    "index" : {
        "number_of_replicas" : 0
    }
}'

Daily *Nix