Elasticsearch is generally defines as an open source fast search response built on top of Apache lucene and released under Apache license. Elasticsearch is an java-based which can search and index the document files in diverse formats. The easy steps for installing elasticsearch is given below.
cd ~
i) sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
ii) wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-1.4.2.deb
sudo dpkg -i elasticsearch-1.4.2.deb
iii) sudo update-rc.d elasticsearch defaults 95 10
iv) sudo /etc/init.d/elasticsearch start
Then run:
http://localhost:9200
Should return some JSON Object including the version number.
{
"status" : 200,
"name" : "Nocturne",
"cluster_name" : "elasticsearch",
"version" : {
"number" : "1.4.2",
"build_#" : "927caff6f05403e936c20bf4529f144f0c89fd8c",
"build_timestamp" : "2014-12-16T14:11:12Z",
"build_snapshot" : false,
"lucene_version" : "4.10.2"
},
"tagline" : "You Know, for Search"
}