Create a deployment key
The key creation is a single step process (if you do not have it already):
1) Check if the key is already created:
ls -a ~/.ssh
2) If the directory is empty, create a new key:
Answer the questions. You do not need a passphrase although you can add it if you feel slightly paranoid.
3) Copy the key to your clipboard and send it to Sree:
Add your key to your repository for authentication