- Install elasticsearch on node-1
 - Update the elasticsearch.yml for node-1
 - Start elasticsearch node-1
 - Check the health of nodes
 - Run "elasticsearch-create-enrollment-token -s node" on node-1
 - Install elasticsearch on node-2
 - Run the "elasticsearch-reconfigure-node --enrollment-token " command on node-2 with the token from node-1 (Run the 
elasticsearch-reconfigure-nodetool before starting elasticsearch) - Update the elasticsearch.yml for node-2
 - Start elasticsearch node-2
 
Refer to the above two articles. Pay attention to the configuration of http.host and transport.host when using multiple network cards."