open ssh aws ec2 ubuntu code example

Example 1: ssh into ec2 from ubuntu

sudo chmod 400 ec2.pem
ssh -i ec2.pem [email protected]

Example 2: install ssl certificate on aws ec2 instance ubuntu

There is a tutorial which have step by step ssl certificate configuration.

Please check the following 2 link:

Simplest way to Use our SSL Certificates with Amazon EC2 Ubuntu Server
Configure Apache Web Server on Amazon Linux to use SSL/TLS
Same type of answer is available here: https://serverfault.com/questions/745408/how-to-enable-ssl-on-ubuntu-apache2-ec2-instance-correctly