How to use multiple AWS Accounts from the command line?

Question

I\'ve got two different apps that I am hosting (well the second one is about to go up) on Amazon EC2.

How can I work with both accounts at the command line (Mac OS X

Answer 1

You should be able to use the following command-options in lieu of the EC2_PRIVATE_KEY (and even EC2_CERT) environment variables:

• -K
• -C

You can put these inside aliases, e.g.

alias ec2-describe-instances1 ec2-describe-instances -K /path/to/key.pem