Multinode cluster

Elasticsearch is a distributed system, and a cluster contains one or more nodes. In this section, we will discuss how to add a new node to the cluster.

Let's say we have two servers with IP addresses 192.168.0.1 and 192.168.0.2.

Follow the instructions laid down next to start a two-node cluster:

1. Install Elasticsearch in the first server. Please follow the instructions in the Installing Elasticsearch section in Chapter 2, Setting up Elasticsearch and Kibana.
2. Open the configuration file in the first server, and make the following changes:

1. 1. Change the cluster name under the cluster section:

                  cluster.name: es-dev

2. 2. Change the node name under the node section:

                  node.name: elasticsearch1

3. 3. Change the host address to bind under the network section:

                  network.host: 192.168.0.1

3. 4. Set the address...