==== Checking that Elasticsearch is running

You can test that your Elasticsearch node is running by sending an HTTP
request to port `9200` on `localhost`:

[source,sh]
--------------------------------------------
curl localhost:9200
--------------------------------------------

which should give you a response something like this:

[source,js]
--------------------------------------------
{
  "name" : "Harry Leland",
  "cluster_name" : "elasticsearch",
  "version" : {
    "number" : "5.0.0-alpha1",
    "build_hash" : "f27399d",
    "build_date" : "2016-03-30T09:51:41.449Z",
    "build_snapshot" : false,
    "lucene_version" : "6.0.0"
  },
  "tagline" : "You Know, for Search"
}
--------------------------------------------