How to Connect to EC2 Instance in AWS

How to Connect to EC2 Instance in AWS

Connecting to an AWS EC2 instance primarily depends on its operating system. For Linux instances, the most common method is SSH (Secure Shell). You'll need the instance's public IP or DNS, the private key file (.pem) from the key pair used during launch, and an SSH client. The command is typically `ssh -i /path/to/key.pem ec2-user@your-instance-public-ip`. For Windows instances, use Remote Desktop Protocol (RDP). You'll retrieve the Administrator password by decrypting it with your key pair via the AWS console, then connect using an RDP client with the instance's public IP and credentials. AWS also provides modern, simplified connection methods. EC2 Instance Connect offers browser-based SSH for Linux without local key management. AWS Systems Manager Session Manager provides secure, audited access to both Linux and Windows instances directly from the console or CLI, eliminating the need for open inbound ports, SSH clients, or RDP clients, provided the SSM agent is running on the instance.

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