sbuljat/install-elasticsearch-amazonlinux-ec2.md

## install-elasticsearch-amazonlinux-ec2.md

      
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              install-elasticsearch-amazonlinux-ec2.md
            
          
    Prepare AWS


Create "default-elasticsearch" security group with following Inbound rules:

22/TCP to 0.0.0.0 or private ip
9200/TCP to {public IPs of all nodes in cluster}
9300/TCP to {public IPs of all nodes in cluster}


Create instance with security group "default-elasticsearch"

Install ElasticSearch 2.4.4 on Amazon Linux

$ sudo yum -y install java-1.8.0-openjdk-devel.x86_64
$ sudo update-alternatives --config java
$ sudo update-alternatives --config javac
$ sudo wget https://download.elasticsearch.org/elasticsearch/release/org/elasticsearch/distribution/rpm/elasticsearch/2.4.4/elasticsearch-2.4.4.rpm
$ sudo rpm -ivh elasticsearch-2.4.4.rpm 
$ sudo chkconfig --add elasticsearch
$ sudo /usr/share/elasticsearch/bin/plugin install mobz/elasticsearch-head
$ sudo /usr/share/elasticsearch/bin/plugin install cloud-aws
Setup ElasticSearch Cluster

$ sudo service elasticsearch stop

$ sudo vi /etc/elasticsearch/elasticsearch.yml
  > cluster.name: {Cluster Name}
  > node.name: {Node Name}
  > network.host: 0.0.0.0
  > discovery.zen.ping.multicast.enabled: false
  > discovery.zen.ping.unicast.hosts: [{EC2 Hostnames}]

$ sudo vi /etc/sysconfig/elasticsearch
  > ES_HEAP_SIZE={%50 RAM}g
  
$ sudo service elasticsearch start

$ tail -f /var/log/elasticsearch/{cluster-name}.log

$ curl localhost:9200/_cluster/health?pretty