installing elastic search centos7

centons7-elasticsearch-install

#!/usr/bin/env bash

echo ">>> Installing Elasticsearch"

cd /opt
sudo 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/8u40-b25/jre-8u40-linux-x64.tar.gz"

sudo tar xvf jre-8*.tar.gz

sudo chown -R root: jre1.8*

sudo alternatives --install /usr/bin/java java /opt/jre1.8*/bin/java 1

sudo rm /opt/jre-8*.tar.gz

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

sudo touch /etc/yum.repos.d/elasticsearch.repo 

sudo cat >> /etc/yum.repos.d/elasticsearch.repo << EOF
# elastic
[elasticsearch-1.4]
name=Elasticsearch repository for 1.4.x packages
baseurl=http://packages.elasticsearch.org/elasticsearch/1.4/centos
gpgcheck=1
gpgkey=http://packages.elasticsearch.org/GPG-KEY-elasticsearch
enabled=1
EOF

sudo yum -y install elasticsearch-1.4.4

# Configure Elasticsearch for development purposes (1 shard/no replicas, don't allow it to swap at all if it can run without swapping)
sudo sed -i "s/# index.number_of_shards: 1/index.number_of_shards: 1/" /etc/elasticsearch/elasticsearch.yml
sudo sed -i "s/# index.number_of_replicas: 0/index.number_of_replicas: 0/" /etc/elasticsearch/elasticsearch.yml
sudo sed -i "s/# bootstrap.mlockall: true/bootstrap.mlockall: true/" /etc/elasticsearch/elasticsearch.yml

sudo systemctl start elasticsearch.service

sudo systemctl enable elasticsearch.service

#verify
curl -XGET 'localhost:9200'