As you know, AWS automatically creates a default VPC (Virtual Private Cloud) with default subnets on successful creation of your AWS account and further allow you to provision the resources such as EC2, RDS etc. within it without much worrying about your own virtual network setup. The other type of VPC is called non-default VPC... Continue Reading →
What is Virtual Private Cloud (VPC) in AWS?
What is VPC? A VPC is a logical data center within AWS that allows you to launch resources within virtual network and each virtual network is isolated from other virtual network within AWS. AWS allows you full control over your VPC and restrict others, specific IP addresses to access the resources within it. It prevents... Continue Reading →
How to launch an EMR cluster in AWS?
In this article, we would demonstrate how to launch an EMR cluster in AWS. To know more about EMR, refer Understanding AWS EMR What is the Prerequisites? Before you start launching a new cluster, you need to make sure the following prerequisites are taken care. EC2 Key-Pair - This would require to connect to your... Continue Reading →
Understanding Elastic Map Reduce (EMR) – AWS EMR
What is EMR? Amazon Elastic Map Reduce (EMR) helps to process and analyze large amount of data in a cluster managed platform. It uses the open-source big data framework such as Apache Hive and Apache Spark to process your data on AWS. EMR provides ability to analyze petabytes scale of data on cloud in a... Continue Reading →
Enable Secure access to s3 from EC2 using IAM role
An IAM role in AWS determines what an identity could do or couldn't do with the set of permission policies. A role does not have any credentials such as password or keys associated with it. Instead, it uses a temporary credentials to allow an user to interact with AWS services. Role could be used for... Continue Reading →
Enable Multi-Factor Authentication (MFA) – AWS IAM
What is MFA? AWS Multi-Factor Authentication (MFA) is also known as 2-Step authentication. It provides an additional security to your AWS account. This helps an overall increase in security to secure your AWS account from unauthorized access. AWS lets you to enable MFA for IAM user or Root Account user. Each user has its own... Continue Reading →
Create IAM Users and Groups in AWS
An IAM user is basically an AWS customer or a person or application that authenticates with individual identities and interact with AWS services. An IAM user consists of a name and credentials. The credentials could be of either password or Access keys types. If you are new to IAM, then refer What is IAM and... Continue Reading →
How IAM Works in AWS? – Explained
As we know, IAM manages authentication and authorization for your account in AWS. So we need to understand how it works as part of infrastructure security necessity. We need to understand following topics in this blog. PrincipalRequestAuthentication AuthorizationActions or OperationsResources AWS IAM has few terms to be acquainted with such as Resources, Identities, Entitles and... Continue Reading →
What is AWS IAM?
What is AWS IAM? AWS IAM stands for Identity and Access Management Service. This is a web service that helps to control access to your AWS resources by your administer. It also lets you manage users and provide control to manage which users would have permission to access various AWS resources. AWS IAM lets you... Continue Reading →
How to publish a message to SNS topic using AWS CloudWatch alarm?
Publish a Message to SNS Topic AWS SNS provides lots of option to notify the subscribers through various protocols with the message received from Publisher. Different AWS services could be used to send notification to the SNS topic. In this article we would talk over below topic Topic Launch an Ec2 InstanceConfigure CloudWatch MetricsSend a... Continue Reading →