Install Elasticsearch on Centos 6.8

This notes is about how to install elasticsearch on Centos 6.8

Install Java first

you need to install java first, the following commands will get latest java sdk and then install it

cd ~
wget --no-cookies --no-check-certificate --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" "http://download.oracle.com/otn-pub/java/jdk/8u73-b02/jdk-8u73-linux-x64.rpm"
sudo yum -y localinstall jdk-8u73-linux-x64.rpm
rm ~/jdk-8u*-linux-x64.rpm

Install Elasticsearch

Run the following command to import the Elasticsearch public GPG key into rpm

sudo rpm --import http://packages.elastic.co/GPG-KEY-elasticsearch

Create a new yum repository file for Elasticsearch

echo '[elasticsearch-2.x]
name=Elasticsearch repository for 2.x packages
baseurl=http://packages.elastic.co/elasticsearch/2.x/centos
gpgcheck=1
gpgkey=http://packages.elastic.co/GPG-KEY-elasticsearch
enabled=1
' | sudo tee /etc/yum.repos.d/elasticsearch.repo

and then install elasticsearch using yum

sudo yum -y install elasticsearch

Run elasticsearch

sudo /etc/init.d/elasticsearch start

test it with a simple curl command, if the elasticsearch node information shows then you have success

[svision@svision ~]$ curl localhost:9200
{
  "name" : "Bulldozer",
  "cluster_name" : "elasticsearch",
  "version" : {
    "number" : "2.3.5",
    "build_hash" : "90f439ff60a3c0f497f91663701e64ccd01edbb4",
    "build_timestamp" : "2016-07-27T10:36:52Z",
    "build_snapshot" : false,
    "lucene_version" : "5.5.0"
  },
  "tagline" : "You Know, for Search"
}