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How to Check Current Elasticsearch version in Ubuntu?

Magento 2Linux

Elasticsearch is a powerful open-source search and analytics engine that is widely used for various applications, including log and data analysis. If you’re running Elasticsearch on an Ubuntu server, it’s important to know how to check the current version for maintenance, troubleshooting, and compatibility purposes.

In this post, we will take a look at how can you check Elasticsearch version in Ubuntu and then how to make sure you are using the latest version.

Method 1: Using Curl

The simplest way to check the Elasticsearch version is by using the curl command-line tool. Here’s how you can do it:

Open a terminal on your Ubuntu server and run the following curl command to send a GET request to your local Elasticsearch instance:

curl -X GET "localhost:9200/"

The response will include the version number:

{
  "name" : "Server-1",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "2V8DXKbNRF-oYYH4RYjKHQ",
  "version" : {
    "number" : "7.17.13",
    "build_flavor" : "default",
    "build_type" : "deb",
    "build_hash" : "2b211dbb8bfdecaf7f5b44d356bdfe54b1050c13",
    "build_date" : "2023-08-31T17:33:19.958690787Z",
    "build_snapshot" : false,
    "lucene_version" : "8.11.1",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

Method 2: Using HTTP Request

You can also use a web browser or an HTTP client like Postman to check the Elasticsearch version. Follow these steps:

http://localhost:9200/

The response will include the version number:

Thank you for reading this article !!

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