How to Create an Amazon EC2 Instance (Virtual Machine) ☁️💻
The Configuration Workflow
The process begins in the AWS Management Console or CLI, where a user initiates the EC2 Instance Launch Wizard. This involves several critical configuration steps:
Operating System Selection: Choosing an AMI (Amazon Machine Image), such as Amazon Linux 2 or Windows.
Hardware Specification: Selecting an Instance Type (e.g., t3.medium or c5.large) to define CPU and memory capacity.
Networking & Security: Defining the VPC, Subnet, and IAM Roles, along with Security Groups that act as a virtual firewall for SSH or HTTP traffic.
Storage & Organization: Attaching EBS Volumes for data storage and applying Tags for resource tracking.
Infrastructure & Connectivity
Once configured, the AWS EC2 Service provisions the virtual machine within a specific environment:
Environment: The instance is launched inside a Public Subnet within a Virtual Private Cloud (VPC).
Localization: It resides in a specific Availability Zone (e.g., us-east-1a) to ensure regional stability.
External Access: Connectivity is managed via an Internet Gateway, allowing the instance to communicate with the web using an Elastic IP.
Remote Management
The final stage shows a Remote Client establishing a secure connection to the live instance using protocols like SSH (for Linux) or RDP (for Windows). This connection is only possible if the Security Group rules are correctly configured to permit the traffic.