Re-using EC2 SSH Key Pair in multiple AWS regions

Photo by Samantha Lam on Unsplash

One of the parameters required for launching an EC2 instance is a Key Pair which is effectively an SSH Key used for interactive logging into the default user account — on Amazon Linux it’s the ec2-user account — or for decrypting the Windows Administrator’s password.

It is easy to create a new Key Pair / SSH Key as part of the EC2 launch process however as soon as you start…