Install Java before you install Elasticsearch
>sudo yum install java-1.8.0-openjdk-devel
Java Version :
java -version
Now you are ready to Install Elasticsearch with below commands
sudo yum -y install https://extras.getpagespeed.com/release-latest.rpm
sudo yum -y install elasticsearch
sudo systemctl enable –now elasticsearch //Enable ElasticSearch
Verify Elasticsearch is running or not:
curl -XGET ‘localhost:9200/_cat/health?v&pretty’ // Verify it’s running
Configure Elasticsearch in Magento admin:
Log in to the Magento Admin as an administrator.
Admin > Stores > Settings > Configuration > Catalog > Catalog > Catalog Search.
From the Search Engine list, select your Elasticsearch version.
Now, do reindex once:
bin/magento indexer:reindex
Stop and start Elasticsearch service with below commands:
sudo -i service elasticsearch start
sudo -i service elasticsearch stop
or
sudo systemctl start elasticsearch.service
sudo systemctl stop elasticsearch.service
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