
Amazon EC2 key pairs and Amazon EC2 instances
Dec 12, 2012 · A key pair, consisting of a public key and a private key, is a set of security credentials that you use to prove your identity when connecting to an Amazon EC2 instance. For Linux …
Add new users with SSH access to EC2 instance
Apr 30, 2025 · You can change the file name and location as needed. Add public key to the authorized_keys file Next, you need to add the public key to the authorized_keys file for the new …
Create a key pair for your Amazon EC2 instance - Amazon ...
You can use Amazon EC2 to create your key pairs, or you can use a third-party tool to create your key pairs, and then import them to Amazon EC2. Amazon EC2 supports 2048-bit SSH-2 RSA keys for …
Add or replace a public key on your Linux instance
When you launch an instance, you can specify a key pair. If you specify a key pair at launch, when your instance boots for the first time, the public key material is placed on your Linux instance in an entry …
Describe your key pairs - Amazon Elastic Compute Cloud
Learn how to describe stored key pairs, how to retrieve the public key material, and identify the public key used at launch.
How to Secure Your Instances with Multi-factor Authentication
Oct 20, 2017 · An AWS Solutions Architect walks through implementing an additional layer of authentication security for your EC2 instances by requiring two-factor authentication for …
Configure SSH authorized keys in EC2 instances using an AWS ...
Sep 3, 2022 · The EC2 user data script can be used to populate the ~/.ssh/authorized_keys file, making it easier to login to the instances via SSH. This is useful if you want to include more than one public …