Jtdcftul

I have followed the instructions at https://www.elastic.co/guide/en/elasticsearch/reference/current/deb.html to install elasticsearch on a clean install of Ubuntu Server 16.04.

I have run the following commands through terminal to install.

wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.0.deb



sudo dpkg -i elasticsearch-6.3.0.deb



sudo /bin/systemctl daemon-reload



sudo /bin/systemctl enable elasticsearch.service



sudo systemctl start elasticsearch.service

However when I run curl -X GET "localhost:9200/" I get the following error

curl: (7) Failed to connect to localhost port 9200: Connection refused

This is the contents of /etc/elasticsearch/elasticsearch.yml

# ======================== Elasticsearch Configuration =========================

#

# NOTE: Elasticsearch comes with reasonable defaults for most settings.

#       Before you set out to tweak and tune the configuration, make sure you

#       understand what are you trying to accomplish and the consequences.

#

# The primary way of configuring a node is via this file. This template lists

# the most important settings you may want to configure for a production cluster.

#

# Please consult the documentation for further information on configuration options:

# https://www.elastic.co/guide/en/elasticsearch/reference/index.html

#

# ---------------------------------- Cluster -----------------------------------

#

# Use a descriptive name for your cluster:

#

#cluster.name: my-application

#

# ------------------------------------ Node ------------------------------------

#

# Use a descriptive name for the node:

#

#node.name: node-1

#

# Add custom attributes to the node:

#

#node.attr.rack: r1

#

# ----------------------------------- Paths ------------------------------------

#

# Path to directory where to store the data (separate multiple locations by comma):

#

path.data: /var/lib/elasticsearch

#

# Path to log files:

#

path.logs: /var/log/elasticsearch

#

# ----------------------------------- Memory -----------------------------------

#

# Lock the memory on startup:

#

#bootstrap.memory_lock: true

#

# Make sure that the heap size is set to about half the memory available

# on the system and that the owner of the process is allowed to use this

# limit.

#

# Elasticsearch performs poorly when the system is swapping the memory.

#

# ---------------------------------- Network -----------------------------------

#

# Set the bind address to a specific IP (IPv4 or IPv6):

#

network.host: localhost

#

# Set a custom port for HTTP:

#

http.port: 9200

#

# For more information, consult the network module documentation.

#

# --------------------------------- Discovery ----------------------------------

#

# Pass an initial list of hosts to perform discovery when new node is started:

# The default list of hosts is ["127.0.0.1", "[::1]"]

#

#discovery.zen.ping.unicast.hosts: ["host1", "host2"]

#

# Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1):

#

#discovery.zen.minimum_master_nodes:

#

Any suggestions or advice would be appreciated to help me get elasticsearch up and running.

Also worth pointing out that I am running on a 32 bit system

network.host: 127.0.0.1 did the thing in my case.

I had the same exact issue with ES 6.7.1. But neither 0.0.0.0 nor localhost worked for me as network.host values.

I ran the following command:

netstat -natp

I noticed I had this line in the list:

127.0.0.1:9200          :::*                    LISTEN

So I just put the listed host and it worked.