How to find OS of an EC2 instance using AWS CLI

Question

How can you find out the OS running on an EC2 instance using AWS CLI.

The ec2 describe-instance command spits out a lot of information , but there is n

Answer 1

Try this command:

aws ec2 describe-images --image-ids $(aws ec2 describe-instances --instance-ids i-xxxxxxxxxxxxx --query 'Reservations[0].Instances[0].ImageId' --output text) --query 'Images[0].Name'

$() part gets the ImageId using InstanceId.