GroupName

GroupName is only supported for EC2-Classic and default VPC

aws ec2 describe-instances | grep "GroupName|GroupId"

aws_default_vpc
Terraform: VPCIdNotSpecified
AWS: Placement groups
AWS instance example with aws ami lookup and key name

See also

• AWS Security group (SG): aws ec2 [ create-security-group | describe-security-groups | delete-security-group | authorize-security-group-ingress | authorize-security-group-egress ]
• Terraform AWS resources: IAM, Net, EC2, ECS, ECR, S3, Route53, ACM, CloudWatch, CloudFront SES, RDS, DLM