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Go to DigitalOcean and <a href="https://m.do.co/c/31513addbd1b" target="_blank">login</a> to your account, create one if not already.
Create new Droplet ( Server ) and choose latest Ubuntu. Refer the image below for reference.
<img src="https://codeforgeek.com/wp-content/uploads/2016/12/dropet-1024x517.gif" alt="digitalocean droplet" width="640" height="323" class="aligncenter size-large wp-image-2763" />
DigitalOcean will create new Droplet and send you an e-mail containing the credentials to log-in your Server. You can use <strong>SSH</strong> or putty ( For Windows User ) to login to your Server.
Once you are logged on, do the system update first using the following command.
<code>sudo apt-get update</code>
Now we need to install Java first, this is the only dependencies ElasticSearch needs.
Here is the command to Install Java run time system in your Server.
<code>
sudo apt-get install default-jre
sudo apt-get install default-jdk
</code>
Depending upon your ElasticSearch version, you may need Java version 8. You can install same using following list of commands.
<code>
sudo add-apt-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer
</code>
Next, let's download ElasticSearch. You can download any version you like. Here is the command.
<code>
wget
https://download.elastic.co/elasticsearch/release/org/elasticsearch/distribution/deb/elasticsearch/x.x.x/elasticsearch-2.3.1.deb
</code>
Replace <strong>x.x.x</strong> with version number. For example, 5.1.1.
Once it is downloaded, we can install it using the following command.
<code>
sudo dpkg -i elasticsearch-2.3.1.deb
</code>
In order to access ElasticSearch as command, run following in your terminal.
<code>
sudo systemctl enable elasticsearch.service
</code>
Now start ElasticSearch using the following command.
<code>
sudo systemctl start elasticsearch
</code>
This will start the ElasticSearch. We can check whether installation went right using the following command.
<code>
curl localhost:9200
</code>
You should be seeing the similar response as shown below.
<img src="https://codeforgeek.com/wp-content/uploads/2016/12/Screen-Shot-2016-12-09-at-4.20.44-PM.png" alt="ElasticSearch running on DigitalOcean" width="756" height="285" class="aligncenter size-full wp-image-2765" />
Awesome!
To make it available via URL, we need a reverse proxy Server. Let's install and configure Nginx as a reverse proxy.
Execute the following command on the terminal to install Nginx.
<code>
sudo apt-get update
sudo apt-get install nginx
</code>
Once install, switch to Nginx directory using the following command.
<code>
cd /etc/nginx/conf.d/
</code>
Create new configuration file using the following command.
<code>
nano elastic.conf
</code>
Copy and paste following code.
<code>
server {
listen 80;
server_name <IP or domain>;
access_log /var/log/nginx/elastic.log;
client_max_body_size 10G;
location / {
proxy_pass http://localhost:9200;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header Host $http_host;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_buffering off;
}
}
</code>
At <b>server_name</b> either put the IP or sub-domain if available. Save the file using <b>CTRL+S</b> command and restart Nginx using the following command.
<code>sudo systemctl nginx restart</code>
Now you can access ElasticSearch using the browser by typing your IP or sub-domain.
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