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Rowan Udell

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ec2

A collection of 3 posts

June 2, 2019

AWS Reserved Instances Cheatsheet

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!

aws ec2 reserved instances cheatsheet billing

November 16, 2017

Edge Bundling Security Groups Redux

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

aws security groups visualisation d3 ec2 cloudformation

April 3, 2016

Visualising EC2 Security Groups

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

aws ec2 visualisation security groups d3

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