**To describe launch template versions**
This example describes the versions of the specified launch template.
Command::
aws ec2 describe-launch-template-versions --launch-template-id lt-068f72b72934aff71
Output::
{
"LaunchTemplateVersions": [
{
"LaunchTemplateId": "lt-068f72b72934aff71",
"LaunchTemplateName": "Webservers",
"VersionNumber": 3,
"CreatedBy": "arn:aws:iam::123456789102:root",
"LaunchTemplateData": {
"KeyName": "kp-us-east",
"ImageId": "ami-6057e21a",
"InstanceType": "t2.small",
"NetworkInterfaces": [
{
"SubnetId": "subnet-7b16de0c",
"DeviceIndex": 0,
"Groups": [
"sg-7c227019"
]
}
]
},
"DefaultVersion": false,
"CreateTime": "2017-11-20T13:19:54.000Z"
},
{
"LaunchTemplateId": "lt-068f72b72934aff71",
"LaunchTemplateName": "Webservers",
"VersionNumber": 2,
"CreatedBy": "arn:aws:iam::123456789102:root",
"LaunchTemplateData": {
"KeyName": "kp-us-east",
"ImageId": "ami-6057e21a",
"InstanceType": "t2.medium",
"NetworkInterfaces": [
{
"SubnetId": "subnet-1a2b3c4d",
"DeviceIndex": 0,
"Groups": [
"sg-7c227019"
]
}
]
},
"DefaultVersion": false,
"CreateTime": "2017-11-20T13:12:32.000Z"
},
{
"LaunchTemplateId": "lt-068f72b72934aff71",
"LaunchTemplateName": "Webservers",
"VersionNumber": 1,
"CreatedBy": "arn:aws:iam::123456789102:root",
"LaunchTemplateData": {
"UserData": "",
"KeyName": "kp-us-east",
"ImageId": "ami-aabbcc11",
"InstanceType": "t2.medium",
"NetworkInterfaces": [
{
"SubnetId": "subnet-7b16de0c",
"DeviceIndex": 0,
"DeleteOnTermination": false,
"Groups": [
"sg-7c227019"
],
"AssociatePublicIpAddress": true
}
]
},
"DefaultVersion": true,
"CreateTime": "2017-11-20T12:52:33.000Z"
}
]
}