Access EC2 without private key

Please help!!

I hired someone to write code for my iPhone app that allows me to send information to a MySQL database and to retrieve that information using JSON objects.  Long story short, he's gone and I have no contact with him and the job is incomplete though almost 90% finished.  Basically, I have the username and password to the AWS account (since I made it) but I need to get that code he wrote from AWS somehow, I'm assuming using SSH, though I don't have the 'private key' (the thing you download when you create a key pair), for as stated previously, I have absolutely no contact to this guy at this point.  

My question is - if I hire someone else to finish the job, will they be able to have access to what the first guy already did?  Please keep in mind: all I have is the username and password to the AWS account and control panel which provides me with a lot of information, but I'm afraid that without the 'private key' I, and nobody else, can get into that EC2 instance...

Please help! And thank you so, so much!
scubasteve8708Asked:
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Shalom CarmelCTOCommented:
You have a real problem.
When a linux server is running, you need either  user/password or  user/private key combinations in order to log in.
From your questions, I assume that you have neither.
Since we do not have a real server, we can't boot from CD and mount the disk to plant a new key, and you are basically stuck. Maybe AWS support can help you out, as they have monitoring and management tools installed on the server.

However, not all is hopeless.
Did the developer bundle the server into a private AMI? If he did, then the following procedure might work.
Developers do not usually bother to shut down the internal AWS services :)
* Create a new SSH keypair. Save the private key!!!
* Start a fresh EC2 instance from the private AMI. Select the new keypair to be used during startup.
The AWS startup service should add your new public key to the "authorized_keys" file in root's directory.
Use your favorite SSH client to connect to the new instance with user "root" and the private key you remembered to save.
In case you use Putty on windows, use the PuttyGen.exe tool to convert your private key to a Putty compatible format.

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scubasteve8708Author Commented:
Thank you so much for the response!  

So how do I find if the developer bundled the server into a private AMI?  I have decent technical experience with web programming but I've never dealt with AWS or SSH and the like, but I'm hoping I can figure it out.
Shalom CarmelCTOCommented:
Open the AWS console , in the Images part
https://console.aws.amazon.com/ec2/home#c=EC2&s=Images

Filter by "Owned by me".
See the attached image


aws-ami.png
scubasteve8708Author Commented:
Thank you so, so very much.  It is now clear there are no AMIs installed, I guess I'm out of luck...
scubasteve8708Author Commented:
Thank you dearly
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