# aws ec2 describe-instances --filters "Name=tag:Name,Values=ECS Instance - EC2ContainerService-cilkroad-exchange" |jq '.Reservations[].Instances[0] | select(.State.Name == "running")' |jq '.PrivateIpAddress' aws ec2 describe-instances 명령어를 사용하여 우선 특정 instance의 value를 확인 예) 결과 "Value": "EC2ContainerService-cilkroad-exchange", "Key": "aws:cloudformation:stack-name" }, { "Value": "This instance is..