Installing ElasticSearch on Ubuntu 14.04 14.10 15.04 15.10 16.04

ElasticSearch.sh

#!/bin/bash

### USAGE
###
### ./ElasticSearch.sh will install Elasticsearch 2.x
###
### CLI options Contributed by @janpieper
### Check http://www.elasticsearch.org/download/ for latest version of ElasticSearch

### ElasticSearch version

ELASTICSEARCH_VERSION="2.x"
 
### Install Java 8
cd ~
sudo apt-get install python-software-properties software-properties-common -y
sleep 1
sudo add-apt-repository ppa:webupd8team/java -y
sleep 1
sudo apt-get update
sleep 1
sudo apt-get install oracle-java8-installer -y
# Or use opnejdk
# sudo apt-get install openjdk-8-jdk -y

### Download and install the Public Signing Key
wget -qO - https://packages.elastic.co/GPG-KEY-elasticsearch | sudo apt-key add -

### Setup Repository
echo "deb http://packages.elastic.co/elasticsearch/${ELASTICSEARCH_VERSION}/debian stable main" | sudo tee -a /etc/apt/sources.list.d/elk.list

### Install Elasticsearch
sudo apt-get update && sudo apt-get install elasticsearch -y

### Start ElasticSearch 
sudo service elasticsearch start

### Lets wait a little while ElasticSearch starts
sleep 5

### Make sure service is running
curl http://localhost:9200

### Should return something like this:
# {
#  "status" : 200,
#  "name" : "Storm",
#  "version" : {
#    "number" : "1.3.1",
#    "build_hash" : "2de6dc5268c32fb49b205233c138d93aaf772015",
#    "build_timestamp" : "2014-07-28T14:45:15Z",
#    "build_snapshot" : false,
#    "lucene_version" : "4.9"
#  },
#  "tagline" : "You Know, for Search"
# }