title: Git Submodule - Permission Denied
body: <p>I am not able to clone the submodule existing within my private git repository. I do have access to entire repository, </p>
  
  <p>Have used the below commands but dint work, please help. What is the right way to clone the submodules in an existing repository? </p>
  
  <pre><code>djrecker$ git submodule update --init --recursive
  Submodule 'Path' (git@github.com:Path) registered for path 'App'
  Cloning into 'Path'...
  Permission denied (publickey).
  fatal: Could not read from remote repository.
  </code></pre>