AWS EC2, or Amazon Elastic Compute Cloud, is a cloud computing service provided by Amazon Web Services. It allows you to rent virtual servers (known as instances) in the cloud, which can be easily scaled up or down based on your computing needs. EC2 instances are used for running applications, hosting websites, and performing various computing tasks in a flexible and cost-effective manner.

How to use the Terraform aws_instance resource block to configure, launch, and secure EC2 instances.
A public key is a cryptographic key that is part of a key pair used for public key cryptography. In the context of SSH (Secure Shell) and other cryptographic systems, a public key is associated with an entity (like a user or a server) and is shared openly.
Cloud-init is the industry standard multi-distribution method for cross-platform cloud instance initialisation
Cloud-init is a multi-distribution package that handles the early initialization of cloud instances. It is commonly used in cloud computing environments to perform various tasks during the instance's first boot.
SSH, which stands for Secure Shell, is a cryptographic network protocol that allows for secure communication and data transfer between two computers over an insecure network. Usage: Key features of SSH: Applications of SSH: Next Steps:
Generation of an Ed25519 Key Pair for SSH Authentication on AWS Linux Machines and Uploading of Key Pairs with Terraform.
Amazon Elastic Container Service (Amazon ECS) 
AWS ECS (Amazon Elastic Container Service) is a fully managed container orchestration service for deploying, managing, and scaling containerized applications using Docker containers
AWS EC2 Service
Amazon Elastic Compute Cloud, is a web service offered by Amazon Web Services (AWS) that provides resizable and scalable compute capacity in the cloud. In simple terms, AWS EC2 allows you to launch and manage virtual machines, known as instances, in the AWS cloud.
AWS AMI, or Amazon Machine Image, is a pre-configured virtual machine image used to create and launch Amazon Elastic Compute Cloud (EC2) instances
Tutorial and source code explaining how to manage AWS EC2 Instances and Security with Terraform.
Tutorial and source code explaining how to provision and configure a VPC, Route 53, RDS MariaDB, Instances and security groups using Ansible and Terraform on AWS to run WordPress in an Ubuntu server with Nginx, PHP, and Let’s Encrypt.
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