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Code Block
sudo nano /etc/elasticsearch/elasticsearch.yml

 


8. You should see a configuration file with several different entries and descriptions. Scroll down to find the following entries:

#network.host: 192.168.0.1
#http.port: 9200



9.Uncomment the lines by deleting the hash (#) sign at the beginning of both lines and replace 192.168.0.1 with localhost.

Code Block
network.host: localhost

http.port: 9200


10 . Just below, find the Discovery section. We are adding one more line, as we are configuring a single node cluster:

Code Block
discovery.type: single-node


11. By default, JVM heap size is set at 1GB. It is recommended setting it to no more than half the size of your total memory. Open the following file for editing:

Code Block
sudo nano /etc/elasticsearch/jvm.options


12. Find the lines starting with -Xms and -Xmx  and set the value. In reference setup we set it as 4gb


13. Start the Elasticsearch service by running a systemctl command: 

It may take some time for the system to start the service. There will be no output if successful.


Code Block
sudo systemctl start elasticsearch.service