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I am using AWS Cloud Services, when I create an EC2 instance Amazon automatically generates a Security Certificate in .pem file extension, it downloads to my computer, when I click it or try and import it to Keychain, there is an error. Terminal commands cannot locate the file. I used Homebrew to try and convert the file to .12, that will not work given the file cannot be located. Any thoughts?

Hello, here are some terminal commands to connect via ssh to AWS my Cloud Services instance, but the security key pair certificate downloaded to my computer does not seem to be readable, and my Keychain cannot accept it. Any ideas??? Here is the error: "mymac ~ % cd downloads mymac downloads % chmod 400 us-east-kp1.pem mymac downloads % ssh -i ~/.ssh/us-east-kp1.pem "amazon instance" "amazon instance": Permission denied (publickey,gssapi-keyex,gssapi-with-mic)." Any ideas??? Thanks, TJ