title: how to add deploy key for 2 repo with 1 user on github
body: <p>I create a <code>deploy</code> user, generate an ssh_key, I add id_rsa.pub as github deploy key.</p>
  <p>this <code>deploy</code> user need pull 2 repo, so I add the same ssh_key to another repo as deploy key.</p>
  <p>but github tell me, deploy key already in use.</p>
  <p>and I don't know how add 2 id_rsa.pub for 1 user.</p>
  <h1>update:</h1>
  <p>I add id_rsa_assets additional, but I still cannot pull.</p>
  <pre><code>ssh-add .ssh/id_rsa_assets
  </code></pre>
  <p>Could not open a connection to your authentication agent.</p>
  <p>.ssh/config</p>
  <pre><code>Host guardians
      Hostname github.com
      User git
      IdentityFile ~/.ssh/id_rsa
  
  Host assets
      Hostname github.com
      User git
      IdentityFile ~/.ssh/id_rsa_assets
  </code></pre>