AWS For Beginners

EC2 Instance Amazon Elastic Compute Cloud is a web service provided by Amazon to spin up desired type Virtual Machine in any available Region. Let’s see how to launch an EC2 instance or Virtual Machine. After we have successfully created an account in AWS and logged in, Select EC2 from the service  drop-down. We need to select the region from the top right corner drop down in which EC2 instance to be launched. I have selected Singapore as an example. Click on the Launch Instance button. In this step we need to select what operating is needed for the EC2 instance. There are multiple options available like Amazon Linux, RHEL, SUSE Linux, Ubuntu, etc.. Let’s select the checkbox beside Free tier only to be sure we are selecting the template that is free for practicing.           In this step, we need to choose the computing power needed for the EC2 instance. Lets select t2.micro type as highlighted in the screenshot below and click on Next: Configure Instances De

VPC Peering VPC Peering feature is used when we need to establish connectivity between subnet in two different VPCs in the same or different account. Let’s take a scenario of creating VPC Peering between two VPC in the same account to keep it simple. NOTE: All the IP address and CIDR range depicted in the below diagram and subsequent steps is for example only. Step 1: Create a VPC A with CIDR Range 10.0.0.0/16 and keep Default in Tenancy dropdown.   Step 2: Create a VPC B with CIDR Range 172.16.0.0/16 and keep Default in Tenancy dropdown.  Step 3: Enter Name tag as SubNetA and map to VPC A in VPC dropdown. Note that VPC CIDRs of VPC A is auto-populated and status as associated. Selecting Availability zone is not mandatory. However, AWS will select one of the Availability Zone when we create a subnet. Enter 10.0.1.0/24 as IPv4 CIDR block and then click on Create button. Step 4: Create SubNet A and map to VPC B in VPC dropdown. Note that CIDR o