how to connect to the server for PAT algorithm run

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Hi, I want to use PAT for sensetivity analysis and next for optimization. I have no technical background in remote servers and AWS. in order to run to PAT I followed these steps: I created an account in AWS, I am user, instance, then I transferred the folder of PAT to the server. in the instance, IAM user, doocker, etc. I am literally following some recommendations I found online but no clear direction. I copied the public IPv4 address to PAT but no hope! Could you please advise me how to make the server work for PAT?

Much appreciate your feedback!