To help categorize and manage the key pairs that you've either created using Amazon EC2 or imported to Amazon EC2, you can tag them with custom metadata. For more information about how tags work, see .

To verify the fingerprint of your key pair, compare the fingerprint displayed on the Key pairs page in the Amazon EC2 console, or returned by the describe-key-pairs command, with the fingerprint that you generate using the private key on your local computer. These fingerprints should match.

Stop and start any instance with an Amazon EBS volume as its root device.

Amazon EC2 provides different purchasing options that enable you to optimize your costs.

Recover your Amazon EC2 instance automatically by using the default configuration. If an instance becomes impaired because of an underlying hardware failure, the instance is automatically recovered.

Use Amazon EC2 to reboot your instance for necessary maintenance.

Change the instance type of your Amazon EC2 instance to an instance type that is appropriate for its workload or to use features that are available on other instance types.

You can delete a key pair, which removes the public key that is stored in Amazon EC2. Deleting a key pair does not delete the matching private key.

Use the Amazon EC2 serial console to diagnose and troubleshoot possible issues with your Amazon EC2 Linux and Windows instances.

How to use and share Amazon SageMaker Studio Classic notebooks.