ec2 change instance type is the AWS CLI operation to resize a stopped, EBS-backed EC2 instance to a different instance type using modify-instance-attribute.
# Basic CLI syntax — instance MUST be stopped first
aws ec2 stop-instances --instance-ids i-0abcdef1234567890
aws ec2 modify-instance-attribute
--instance-id i-0abcdef1234567890
--instance-type "{"Value"": ""t2.medium""}""Tested on Amazon Linux 2 with AWS CLI v2.15.0.
Syntax
The canonical AWS CLI form uses modify-instance-attribute with the --instance-type parameter. The instance must be in the stopped state before issuing the change.
aws ec2 modify-instance-attribute
[--instance-id <value>]
[--instance-type <JSON string>]
[--region <value>]
[--profile <value>]
[--cli-input-json <value>]Options and Flags
| Flag | Type | Default | Description |
|---|---|---|---|
--instance-id |
String | Required | ID of the EC2 instance to modify. |
--instance-type |
JSON string | Required | New instance type enclosed in JSON: e.g.
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