name : modify-launch-template.rst **To change the default launch template version** This example specifies version 2 of the specified launch template as the default version. Command:: aws ec2 modify-launch-template --launch-template-id lt-0abcd290751193123 --default-version 2 Output:: { "LaunchTemplate": { "LatestVersionNumber": 2, "LaunchTemplateId": "lt-0abcd290751193123", "LaunchTemplateName": "WebServers", "DefaultVersionNumber": 2, "CreatedBy": "arn:aws:iam::123456789012:root", "CreateTime": "2017-12-01T13:35:46.000Z" } }