How to see all running Amazon EC2 instances across all regions?

Question

I switch instances between different regions frequently and sometimes I forget to turn off my running instance from a different region. I couldn\'t find any way to see all the r

Answer 1

A quick bash oneliner command to print all the instance IDs in all regions:

$ aws ec2 describe-regions --query "Regions[].{Name:RegionName}" --output text |xargs -I {} aws ec2 describe-instances --query Reservations[*].Instances[*].[InstanceId] --output text --region {}

# Example output
i-012344b918d75abcd
i-0156780dad25fefgh
i-0490122cfee84ijkl
...