How To Connect Amazon AWS EC2 with Key Pair – Linux
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This document provides instructions for connecting to an Amazon AWS EC2 Linux instance using a key pair. It outlines downloading the key pair file, modifying its permissions, and then using it to connect via SSH either by public IP or private IP. The key steps are: 1) Identify the key pair associated with the instance; 2) Copy the private key file to the local machine; 3) Change permissions on the key file; 4) Connect using SSH and specifying the key file and either public or private IP address. Following these steps allows logging into the EC2 instance securely using the key pair.
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How To Connect Amazon AWS EC2 with Key Pair – Linux
- 1. How To Connect Amazon AWS EC2 with Key Pair – Linux i | P a g e Table of Contents Overview.......................................................................................................................................................1 Applies To......................................................................................................................................................1 Pre-requisites................................................................................................................................................1 Key Pair .........................................................................................................................................................1 Key Name / Key Pair..................................................................................................................................1 Instance – Public IP ...................................................................................................................................2 Copy Key Pair ............................................................................................................................................2 Modify Permissions...................................................................................................................................2 Connect Instance – Public IP.....................................................................................................................3 Connect Instance – Instance.....................................................................................................................3
- 2. How To Connect Amazon AWS EC2 with Key Pair – Linux 1 | P a g e Overview The purpose of this guide is to assist the users to connect the Amazon AWS EC2 Instance(s). This guide demonstrate connecting from a Linux host. Applies To Linux Server (Instance) Pre-requisites Key Pair associated with the EC2 Instance Download and copy PEM Key to the Linux Box, from where you would like to connect Open inbound connection rule for port “22” on the security group associated to the instance Public IP association Key Pair A key pair is an encrypted RSA Private Key that’s generated and associated to a new instance when you build it. You can choose existing key pair or create new one. Note: When you create a new pair ensure that you download the copy of key pair, else you will not be able to login to the box. Key Name / Key Pair You can identify the key pair associated to each instance in the “Key Name”. It is the key pair filename that is associated when you create a new instance from the Amazon AWS Console.
- 3. How To Connect Amazon AWS EC2 with Key Pair – Linux 2 | P a g e Instance – Public IP Identify the public IP for the instance, you can find in the instance’s “Public IP” field. Copy Key Pair Copy the key pair to the host wherein you are trying to login. Modify Permissions Modify the permission for the key pair to “400”, run the below command. chmod 400 effoneblr.pem
- 4. How To Connect Amazon AWS EC2 with Key Pair – Linux 3 | P a g e Connect Instance – Public IP Upon setting the permission of the key pair, connect to the instance with the public IP associated to the instance, invoke the below command ssh -i "effoneblr.pem" ubuntu@52.1.89.122 Note: Public IP has to be associated to the instance to connect. Connect Instance – Instance