An instance can only be associated with a key pair only at launch time (either to an existing key pair or by creating a new key pair). That means if you lose the key pair then you won't be able to generate another one for that already running instance or associate it with an already existing key pair. An instance can only be associated with a key pair only at launch time (either to an existing key pair or by creating a new key pair). That means if you lose the key pair then you won't be able to generate another one for that already running instance or associate it with an already existing key pair. Creates a 2048-bit RSA key pair with the specified name. Amazon EC2 stores the public key and displays the private key for you to save to a file. The private key is returned as an unencrypted PEM encoded PKCS#1 private key. Every Amazon EC2 Linux instance launches with a default system user account with administrative access to the instance. Create a key pair for the new user account. Create a key pair, or use an. After you connect to your instance as the newuser by using SSH, run the id command from the EC2 instance command line to view the user and group. Instances created from the Lightsail console always display the Lightsail key in the Amazon EC2 console, even if the Lightsail key is removed from the instance. Create the instance manually from the Amazon EC2 console to be sure of SSH key pair consistency. Keep your Lightsail instance until your new solution on Amazon EC2 is up and running.

1. Aws Generate New Key Pair From Running Instance System
2. Aws Ec2 Key Pair

To change the key pair, create an AMI of the existing instance, and then launch a new instance. You can then select a new key pair by following the instance launch wizard. Follow these steps: Create a new key pair and save the private key file. You can create a key pair using the console, AWS Command Line Interface (AWS CLI), or AWS Tools for Windows PowerShell. To add SSH access to an existing Amazon EC2 instance. 1) Add two additional parameters to the template to pass in the name of an existing Amazon EC2 key pair and SSH location. 2) Add the KeyName property to the Amazon EC2 instance. 3) Add port 22 and the SSH location to the ingress rules for the Amazon EC2 security group.

[ aws . ec2 ]

Description¶

Creates a 2048-bit RSA key pair with the specified name. Amazon EC2 stores the public key and displays the private key for you to save to a file. The private key is returned as an unencrypted PEM encoded PKCS#1 private key. If a key with the specified name already exists, Amazon EC2 returns an error.

You can have up to five thousand key pairs per Region.

The key pair returned to you is available only in the Region in which you create it. If you prefer, you can create your own key pair using a third-party tool and upload it to any Region using ImportKeyPair .

For more information, see Key Pairs in the Amazon Elastic Compute Cloud User Guide .

See also: AWS API Documentation

See 'aws help' for descriptions of global parameters.

Synopsis¶

Options¶

--key-name (string)

A unique name for the key pair.

Constraints: Up to 255 ASCII characters

--dry-run--no-dry-run (boolean)

--tag-specifications (list)

Shorthand Syntax:

JSON Syntax:

--cli-input-json (string)Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.

--generate-cli-skeleton (string)Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input, prints a sample input JSON that can be used as an argument for --cli-input-json. If provided with the value output, it validates the command inputs and returns a sample output JSON for that command.

See 'aws help' for descriptions of global parameters.

Examples¶

To create a key pair

This example creates a key pair named MyKeyPair.

Command:

The output is an ASCII version of the private key and key fingerprint. You need to save the key to a file.

For more information, see Using Key Pairs in the AWS Command Line Interface User Guide.

Output¶

KeyFingerprint -> (string)

KeyMaterial -> (string)

KeyName -> (string)

KeyPairId -> (string)

Aws Generate New Key Pair From Running Instance System

Tags -> (list)

Any tags applied to the key pair.

(structure)

Describes a tag.

Key -> (string)

The key of the tag.

Constraints: Tag keys are case-sensitive and accept a maximum of 127 Unicode characters. May not begin with aws: .

Value -> (string)

The value of the tag.

Constraints: Tag values are case-sensitive and accept a maximum of 255 Unicode characters.

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I need an AWS access key to allow a program, script, or developer to have programmatic access to the resources on my AWS account. How do I create a new access key?

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An access key grants programmatic access to your resources. This means that the access key should be guarded as carefully as the AWS account root user sign-in credentials.

It's a best practice to do the following:

1. Create an IAM user and then define that user's permissions as narrowly as possible.
2. Create the access key under that IAM user.

For more information, see What are some best practices for securing my AWS account and its resources?

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Published: 2016-01-28

Aws Ec2 Key Pair

Updated: 2018-10-24