How to run Elasticsearch 2.1.1 as root user in Linux machine

Question

I am trying to run Elasticsearch 2.1.1 in my Linux machine which I am the root user of it.

When I tried to execute the Elasticsearch.I am getting the following error

Answer 1

Based of the following code-snippet looks like you should be able to achieve this by enabling property es.insecure.allow.root

Example :

bin/elasticsearch -Des.insecure.allow.root=true