elasticsearchHow do I install Elasticsearch?

1. Download and install the latest version of Java from the Oracle website.

2. Download and extract the Elasticsearch zip file from the Elastic website.

3. Open the config/elasticsearch.yml file and edit the cluster.name and node.name settings.

4. Run the following command to start Elasticsearch:

bin/elasticsearch

5. Check the output of the command to make sure Elasticsearch is running without any errors.

6. To test if Elasticsearch is running, open a web browser and go to http://localhost:9200. You should see a JSON response with the Elasticsearch version number.

7. You can also use the curl command to test if Elasticsearch is running:

curl -X GET http://localhost:9200

Output example

{
  "name" : "your_node_name",
  "cluster_name" : "your_cluster_name",
  "cluster_uuid" : "your_cluster_uuid",
  "version" : {
    "number" : "7.7.0",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "81a1e9eda8e6183f5237786246f6dced26a10eaf",
    "build_date" : "2020-05-28T16:30:01.040088Z",
    "build_snapshot" : false,
    "lucene_version" : "8.5.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

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