Tag ec2

Reduce your AWS bill with Savings Plans

We are getting used to consuming compute capacity on-demand. The pay-per-use model is an essential benefit of the cloud. However, the cloud provider has to build data centers and buy hardware in advance. Doing so requires capacity planning and upfront i...

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EC2 Instance Connect is an insecure default!

You can also listen to this topic in our podcast! Two months before, Michael wrote about why AWS SSM is a trojan horse. Shortly after that, AWS released EC2 Instance Connect, which is even worse. If you use Amazon Linux 2 or Ubuntu, the chances are h...

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Goodbye SSH, use AWS Session Manager instead

SSH is great. But the AWS Session Manager - whose full name is AWS Systems Manager Session Manager - matches the needs for interacting with your EC2 instances even better. BenefitsYou should think about replacing SSH with the AWS Session Manager becaus...

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EC2 Network Performance of t3

AWS introduced the t3 instance type in August. Time to update the EC2 Network Performance Cheat Sheet. The following table shows the network capabilities of t3 instances. Compared to the last generation t2 there is no difference in the baseline through...

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Burst credits of t2 EC2 instances need monitoring

EC2 is one of the fundamental services on AWS. If you are not 100% Serverless, your application health depends on the health of your EC2 instances. When I do AWS architecture reviews for our clients, I check that CPU burst capacity is monitored for EC2 ...

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Migrating to Amazon Linux 2

I run all my EC2 workloads on Amazon Linux. It comes with a superb AWS integration, a secure default configuration, regular security updates, and I can open AWS Support tickets if I run into any problems. In late December 2017, AWS announced the succes...

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EC2 Network Performance Cheat Sheet

What is the maximum network throughput of your EC2 instance? The answer to this question is key to choosing the type of an instance or defining monitoring alerts on network throughput. Unfortunately, you will only find very vague information about the ...

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Evolution of the EC2 Network Performance: m3, m4, and m5

AWS announces new generations of EC2 instances from time to time. Typically, each generation offers better performance at lower costs. This article discusses the networking capabilities of the general purpose instances over time. Spoiler alert: you can ...

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EC2 network performance demystified: m3 and m4

AWS offers EC2 instances in different sizes, defined by the instance type. How do you decide which instance type to use? Do you need an m4.large or m4.xlarge instance? At least the following factors should affect your decision: How much memory does the...

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AWS Velocity Series: EC2 based app CI/CD pipeline

In the previous article, you learned how to use CloudFormation to describe a production-ready infrastructure for an EC2 based app. In this article you will learn to: Automate the creation of an AMI that contains the app with Packer Deploy a CloudFormat...

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