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Connect to your Linux instance form Windows using "Putty". Prerequisites: Verify that the instance is ready Install PuTTY on your local computer Convert your private .pem key to .ppk using PuTTYgen  Note : To download pdf  click here

What is AWS Lambda ? AWS lambda is a compute service that lets you run code without provisioning or managing servers. Lambda runs your code on a high-availability compute infrastructure and performs all of the administration of the compute resources, including server and operating system maintenance, capacity provisioning and automatic scaling, and logging. With lambda, you can run code for virtually any type of application or backend service. In one of the languages that AWS lambda supports (currently! Node JS, Java, powershell, C#, Ruby, Python & Go) Service can run the code on your behalf. How Lambda works? First you upload your code to lambda in one or more lambda function. AWS lambda will execute the code in your behalf. To complete practical kindly follow below image : Kindly create IAM role with dynamodb full access and attach with lambda. Step-1:  Go to IAM role : create role : dynamodb full access Step-2: Lambda =====> create function ====> author from scratc ===...

  What Is a Web Server? File servers, database servers, mail servers, and web servers use different kinds of server software. Each of these applications can access files stored on a physical server and use them for various purposes. The job of a web server is to serve websites on the internet. To achieve that goal, it acts as a middleman between the server and client machines. It pulls content from the server on each user request and delivers it to the web. The biggest challenge of a web server is to serve many different web users at the same time — each of whom is requesting different pages. Web servers process files written in different programming languages  such as PHP, Python, Java, and others. They turn them to static HTML files and serve these files in the browser for web users. When you hear the word web server, thi nk of it as the tool responsible for the proper server-client communication. Note : To download installation command click here  "DOWNLOAD" Steps to c...

Amazon VPC (Virtual Private Cloud) ---------------------------------------------------           Amazon VPC is your network environment in the cloud. With Amazon VPC, you can launch AWS resources into a virtual network that you have defined.                VPCs deploy into one of the AWS Regions and can host resources from any Availability Zone within its Region.     Amazon VPC is designed to provide greater control over the isolation of your environments and their resources. With Amazon VPC, you can: Select your own IP address range Create subnets Configure route tables and network gateways Following diagram will help to understand VPC and components with Login activity by DBA (database Admin) and normal user accessing website and database. Note : To know step-by-step process Kindly click here  "DOWNLOAD"