How to connect to remote MongoDB hosted on an AWS EC2 instance?

You can follow the below steps to connect to MongoDB hosted on an AWS EC2 instance.

Step 1: Connect to your AWS EC2 instance over SSH.

Step 2: Open mongo shell by typing mongo in the EC2 terminal

## open mongo shell
mongo

1 2	## open mongo shell mongo

Step 3: Create a new user and give the user access to your MongoDB database.

use <your_mongo_db>

db.createUser({
    user: '<your_user_name>',
    pwd: '<your_password>',
    roles: [{ role: 'readWrite', db:'<your_mongo_db>'}]
})

use

db.createUser({

user: '',

pwd: '',

roles: [{ role: 'readWrite', db:''}]

})

Step 4: Update the mongo configuration file to allow remote connection.

vi /etc/mongod.conf

## Look for the net line and comment out the bindIp line under it
# network interfaces
net:
  port: 27017
#  bindIp: 127.0.0.1  <- comment out this line

## Scroll down to the #security: section and add the following line.
security:
  authorization: 'enabled'

vi /etc/mongod.conf

## Look for the net line and comment out the bindIp line under it

# network interfaces

net:

port: 27017

# bindIp: 127.0.0.1 <- comment out this line

## Scroll down to the #security: section and add the following line.

security:

authorization: 'enabled'

Step 5: Open port 27017 on your EC2 instance security group inbound rule.

Step 6: Restart MongoDB service

## Restart mongod service
sudo service mongod restart

1 2	## Restart mongod service sudo service mongod restart

Step 7: Now from your local system, try to connect to MongoDB remotely.

## Connect to mongodb remotely
mongo -u <your_user_name> -p <your_password> <your_ec2_instance_public_ip>/<your_mongo_db>

1 2	## Connect to mongodb remotely mongo -u -p /

Tags: aws, EC2, FAQ