install elastic search Centos 7

 

install Elasticsearch on CentOS 7, you can follow these steps:

1. First, open a terminal window and make sure that you are logged in as a user with sudo privileges.

2. Update the package manager index by running the following command:

sudo yum update

3. Install the Java Development Kit (JDK) by running the following command:

sudo yum install java-1.8.0-openjdk-devel

4. Install Elasticsearch by adding the Elasticsearch repository to your system using the following command:

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

5. Create a new file called elasticsearch.repo in the /etc/yum.repos.d/ directory by running the following command:

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

6. Add the following lines to the elasticsearch.repo file to configure the Elasticsearch repository:

[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

7. Save the elasticsearch.repo file and exit the editor.

8. Install Elasticsearch by running the following command:

sudo yum install elasticsearch

9. Once the installation is complete, start the Elasticsearch service by running the following command:

sudo systemctl start elasticsearch

10. To make Elasticsearch start automatically whenever the system boots, run the following command:

sudo systemctl enable elasticsearch

After completing these steps, Elasticsearch should be installed and running on your CentOS 7 system. You can verify this by running the following command, which will display the Elasticsearch version number:

curl -X GET "localhost:9200"

This command should return a JSON object containing information about the Elasticsearch server, including the version number. If you see this information, then Elasticsearch has been installed successfully on your system.