How to generate new SSH key and adding it to the ssh-agent

1. Open Terminal

2. Paste the text, change email address. $ ssh-keygen -t rsa -b 4096 -C "jaydipkansagra@example.com"

3. Enter a file in which to save the key (/root/.ssh/id_rsa): [Press enter] (Recommend press enter)

4. Enter passphrase (empty for no passphrase): [Type password] (Recommend keep blank)

5. Enter same passphrase again: [Type password again] (Recommend keep blank)

6. For ubuntu
     Start the ssh-agent - $ eval "$(ssh-agent -s)"
   For windows
     1. $ ssh-agent bash
     2. $ eval "$(ssh-agent -s)" 

7. $ ssh-add ~/.ssh/id_rsa

8. Open  ssh-keygen.pub

9. Copy key from ssh-keygen.pub

10. Add into ssh-agent

11. Now, get data from your repository : git clone git@github.com:whatever