This is my take on this: uses a tagging convention on your EC2 instances. Can also run commands in parallel over a set of instances.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;madebymany&#x2F;moltar" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;madebymany&#x2F;moltar</a><p><a href="http:&#x2F;&#x2F;madebymany.com&#x2F;blog&#x2F;a-little-tooling-goes-a-long-way" rel="nofollow">http:&#x2F;&#x2F;madebymany.com&#x2F;blog&#x2F;a-little-tooling-goes-a-long-way</a>