Reserved Instances (RIs) are a great way to save some money if you've got consistent AWS EC2 usage, without needing to make changes to your instances!
You can now visualise your own EC2 security groups using edge bundling - No scripts, no downloads! This small web application takes an AWS access key id and secret access key to make requests against your AWS account. The application
Here's my first attempt at visualising AWS EC2 Security Groups in something other than a boring table: You can mouse over a SG name to see it's inbound (green) and outbound (red) connections to other groups/IP ranges. What is