Elasticsearch Install (6.2.3)

Install Java

sudo yum install java
java -version

Install Elasticsearch 6.2.3

// Import key
sudo rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
// Add yum repo
sudo vim /etc/yum.repos.d/elasticsearch.repo
// File content of elasticsearch.repo
[elasticsearch-6.x]
name=Elasticsearch repository for 6.x packages
baseurl=https://artifacts.elastic.co/packages/6.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md
// Install
sudo yum install elasticsearch-6.2.3-1

Configuration

JVM Memory setting

sudo vim /etc/elasticsearch/jvm.options
```yaml
-Xms3g
-Xmx3g

Elasticsearch.yml

sudo vim /etc/elasticsearch/elasticsearch.yml

cluster.name: es-cluster
node.name: es-node-1
path.data: /var/lib/elasticsearch
path.logs: /var/log/elasticsearch
network.host: 192.168.21.52
discovery.zen.ping.unicast.hosts: ["192.168.21.52", "192.168.21.53"]

Start & Enable Elasticsearch service

sudo systemctl start elasticsearch
sudo systemctl enable elasticsearch

Check Elasticsearch cluster

http://192.168.21.52:9200/_nodes/stats?pretty
http://192.168.21.53:9200/_nodes/stats?pretty
http://192.168.21.52:9200/_cluster/health
http://192.168.21.53:9200/_cluster/health