What is EC2 and how does it works? 

cloud computing

Amazon EC2 (Elastic Compute Cloud) is an Amazon Web Service that offers resizable compute capacity in the cloud. EC2 allows you to run instances, which are Linux or Windows servers preconfigured with applications such as Apache, MySQL, and JBoss. The instances are created by launching an AMI (Amazon Machine Image), which can be an Amazon-provided image or an image you created. Amazon charges you only for the time that your instances run, measured in increments of seconds. 

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What is Amazon Web Services (AWS)? 

AWS provides a set of web services (known as Amazon Web Services) for developers to use in their applications. Amazon Web Services’ (AWS) infrastructure supports hundreds of thousands of businesses in 190 countries around the world with services including compute, storage, databases, analytics, mobile, developer tools, management tools, deployment services, Internet bandwidth, and more. AWS started out on virtual servers also known as Amazon Elastic Compute Cloud or EC2  and has been building new services on top of these ever since. The most widely used AWS service today is Amazon S3 or Simple Storage Service which offers storage for any data type anywhere in the world at any scale. An ideal starting point for using AWS is by using one of the several pre-built images which you can choose from. These images are available by categories such as operating systems, web frameworks, and databases where you just need to select one image and run through an easy wizard to launch your instance. Once your instance is running you can simply log into it via SSH and start working immediately from there on out with your selected operating system . As said earlier launching an instance starts by selecting an image which contains everything you need to boot up your server instance without having to install anything yourself so that reduces preparation time significantly. 

Why use AWS? 

If you’re looking to build a website or application with lots of traffic, you’re going to need more power than what your personal computer can provide. But cloud hosting providers like Amazon Web Services (AWS) allow businesses to run applications at high levels of performance without having to buy servers themselves. AWS makes it easy for developers to rent space on their servers, so they don’t have to worry about maintaining hardware. This means that developers spend less time managing technology infrastructure leaving them free to focus on creating innovative new apps. AWS offers a range of services, including CloudFormation Templates, Amazon S3 Storage, Amazon EBS Volumes, Amazon RDS Instances and much more! 

How Does Amazon Virtual Private Cloud (VPC) Work? 

Amazon Virtual Private Cloud (VPC) helps you set up private cloud infrastructure that’s hosted in Amazon Web Services (AWS). It helps keep your applications running without interruptions, even if there are physical or logical failures in your network. You can use VPC to associate one or more subnets with a single AWS account. This enables you to have secure Internet connectivity for those subnets using either a hardware VPN device integrated with your router, or a software VPN such as OpenVPN. You can also use VPC to create separate routing tables for each subnet associated with an AWS account. 

How does AWS Lambda Work? 

AWS Lambda automatically runs your code in response to events, such as requests made to an API Gateway endpoint or files added to an S3 bucket. The code can be running serverless, on AWS Fargate, or any other infrastructure that supports Amazon Linux or Windows Server 2016 (or later) (including on-premises virtual machines). You can use a programming language of your choice with AWS Lambda. We support Python 2.7, Node.js 4.3 (and later), Java 8, and .NET Core 2.0 (and later). The runtime starts executing your code after you upload it along with any dependencies to an Amazon S3 bucket in a zip file. 

Amazon Elastic Compute Cloud (EC2) Details 

The heart of AWS, Amazon Elastic Compute Cloud (EC2) provides scalable computing capacity in the cloud. With Amazon EC2, you can use a web service to request servers on demand as needed, paying only for capacity that you actually use. You pay only for what you need while receiving enough computing power to run even large-scale applications with ease. EC2 can automatically scale itself up or down to meet your changing needs by launching or terminating servers depending on your current workload. 

By aamritri

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