AWS Cross Account Access: Deep Dive

This blog post will cover everything that is there related to cross account access in AWS. Below are the things that I will cover in this blog: Basics: How Cross Account Access Work and implementing it using AWS console. Cross Account Access using AWS CLI. Enabling Cross Account access with MFA. Cross Account access requiring […]

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Kubernetes Tutorial Series: Kubernetes Objects – Pods, Deployments, Services

This is second tutorial of the Kubernetes Tutorial Series. First tutorial covered architecture of Kubernetes as well as how to provision a cluster in AWS using Kops. In this article we will learn about the various Kubernetes Objects which helps us in deploying our application on top of Kubernetes. What are Kubernetes Objects? Kubernetes contains […]

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Configure Cluster Autoscaler in Kubernetes

What is a Cluster Autoscaler? The cluster autoscaler on AWS scales worker nodes within any specified autoscaling group. In this article, we will learn how to set up a cluster autoscaler to spin up new nodes whenever any pod goes into pending state. For more details read here. This article assumes that you have set […]

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When should I use Multi-AZ as opposed to Read Replicas in RDS?

People get confused between RDS Multi-AZ feature and Read Replica feature and under a given situation which one to use. Let’s first cover what do we mean by Multi AZ and Read Replica and after that we will cover the differences between them and when to use them. Multi-AZ: In a Multi-AZ deployment, Amazon RDS automatically […]

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How does authorization work with multiple access control mechanisms in S3?

There are 3 ways we can control access to our S3 resources: IAM Policy: IAM policies specify what actions are allowed or denied on what AWS resources (e.g. allow ec2:TerminateInstance on the EC2 instance with instance_id=i-8b3620ec). You attach IAM policies to IAM users, groups, or roles, which are then subject to the permissions you’ve defined. […]

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