easy steps to install elasticsearch 6 with images in centos 7

OS     -    CentOS 7

IP     -    172.17.20.100

Host  -   linuxtopic.com

Elasticsearch default port    -    9200

Step 1:

Update system

yum update

Install Java & curl

yum install java curl

   

Check Java Version

java -version

               

Step 2:

Downloading and Installing Elasticsearch

               

Method 1 : Download & Install RPM Manually

cd /opt/

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.1.1.rpm

rpm -ivh elasticsearch-6.1.1.rpm

Method 2 : Install using YUM Repo

rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch

Create repository file

echo “[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” > /etc/yum.repos.d/elasticsearch.repo

Verify

cat /etc/yum.repos.d/elasticsearch.repo

Install Elasticsearch

yum install elasticsearch

Enable  Elasticsearch service

systemctl daemon-reload

systemctl enable elasticsearch.service

Directory layout of RPM

The RPM places config files, logs, and the data directory in the appropriate locations for an RPM-based system:

Configure network host  

sed -i 's/#network.host: 192.168.0.1/network.host: 172.17.20.100/g' /etc/elasticsearch/elasticsearch.yml

start elasticsearch

systemctl restart elasticsearch.service

Check Elasticsearch Status

curl -XGET 'http://172.17.20.100:9200'

Check Health of Cluster

curl -XGET 'http://172.17.20.100:9200/_cluster/health?pretty=true'

Get Indica details

curl -XGET '172.17.20.100:9200/_cat/indices?v'

create an index named "linuxtopic" and then list all the indexes again:

curl -XPUT '172.17.20.100:9200/linuxtopic?pretty'

curl '172.17.20.100:9200/_cat/indices?v'

Delete an index named "linuxtopic"

curl -XDELETE '172.17.20.100:9200/linuxtopic?pretty'

   


Part 1 - Elasticsearch Installation