Cara Install Elasticsearch pada CentOS 8

“Cara Install Elasticsearch pada CentOS 8”

Elasticsearch adalah mesin analitik dan pencarian teks lengkap terdistribusi open-source. Ini mendukung operasi RESTful dan memungkinkan Anda untuk menyimpan, mencari, dan menganalisis data dalam jumlah besar secara real-time. Elasticsearch adalah salah satu mesin pencari paling populer yang mendukung aplikasi yang memiliki persyaratan pencarian yang kompleks seperti toko e-commerce besar dan aplikasi analitik.

Cara Install Elasticsearch pada CentOS 8

1. Install Java

• Install Java

dnf install java-11-openjdk-devel

• Cek versi

java -version

• Setting Java

nano /etc/elasticsearch/jvm.options

-Xms4g
-Xmx4g

2. Install Elasticsearch

• Import GPG key

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

• Tambahkan repo elastic

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

[elasticsearch-7.x]
name=Elasticsearch repository for 7.x packages
baseurl=https://artifacts.elastic.co/packages/7.x/yum
gpgcheck=1
gpgkey=https://artifacts.elastic.co/GPG-KEY-elasticsearch
enabled=1
autorefresh=1
type=rpm-md

• Install elasticsearch

sudo dnf install elasticsearch

• Enable service

sudo systemctl enable elasticsearch.service --now

• Test curl

curl -X GET "localhost:9200/"

{
  "name" : "localdomain",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "V_mfjn2PRJqX3PlZb_VD7w",
  "version" : {
    "number" : "7.6.0",
    "build_flavor" : "default",
    "build_type" : "rpm",
    "build_hash" : "7f634e9f44834fbc12724506cc1da681b0c3b1e3",
    "build_date" : "2020-02-06T00:09:00.449973Z",
    "build_snapshot" : false,
    "lucene_version" : "8.4.0",
    "minimum_wire_compatibility_version" : "6.8.0",
    "minimum_index_compatibility_version" : "6.0.0-beta1"
  },
  "tagline" : "You Know, for Search"
}

• cek log

journalctl -u elasticsearch

3. Konfigurasi Elasticsearch

• Tambah rule firewall

sudo firewall-cmd --new-zone=elasticsearch --permanent
sudo firewall-cmd --reload
sudo firewall-cmd --zone=elasticsearch --add-source=192.168.10.80/32 --permanent
sudo firewall-cmd --zone=elasticsearch --add-port=9200/tcp --permanent
sudo firewall-cmd --reload

• setting elastic

 nano /etc/elasticsearch/elasticsearch.yml

network.host: 0.0.0.0
cluster.name: elk
node.name: node-1
network.host: localhost
http.port: 9200

• restart service

systemctl restart elasticsearch

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