Elasticsearch Install Fest

How to Install Elasticsearch

  • install java jdk sudo yum install java-1.8.0-openjdk.x86_64
  • install elasticsearch 6.x
    • Download and install the public signing key rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch
    • Create a file elasticsearch.repo in /etc/yum.repos.d with content
[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 elasticsearch using command sudo yum install elasticsearch
    • To setup auto start up at system reboot sudo systemctl daemon-reload sudo systemctl enable elasticsearch.service
  • update cluster.name
  • update data location in ‘/etc/elasticsearch/elasticsearch.yml’ to - /app/data/elastic/ [optional step]
  • update host and port details - host ipaddress and port (9200)
  • node details
    • setup 
      node.name
node.data (true or false based on requirement)
node.master(true or false based on requirement)
node.ingest(true or false based on requirement)
  • update elasticsearch system configuration to set limitMEMLOCK to infinity, so that the process uses the memory limited by elasticsearch jvm configuration.
  • configure jvm options at /etc/elasticsearch/jvm.options for -Xms1g -Xmx1g. Xms represents the initial size of total heap space and Xmx represents the maximum size of total heap space

How to start/stop Elasticsearch

sudo systemctl start elasticsearch.service sudo systemctl stop elasticsearch.service

####Installation Directory Config : etc/elasticsearch/elasticsearch.yml Logs : var/logs/elasticsearch/<log file> Default Data path : var/lib/elasticsearch

Different Configuration changes made during POC

path: logs: /var/log/elasticsearch data: /app/data/elastic

How to Install Kibana

install kibana 6.x Download and install the public signing key rpm --import https://artifacts.elastic.co/GPG-KEY-elasticsearch Create a file kibana.repo in /etc/yum.repos.d with content

[kibana-6.x]
name=Kibana 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 kibana using sudo yum install kibana