title: How to connect SSH Key and fix bad configuration option ssh-ed25519?
body: <p>After generating the ssh key, when I push to the remote GitHub server, this is an error message I can see in my terminal:</p>
  <pre class="lang-sh prettyprint-override"><code>/Users/.ssh/config: line 1: Bad configuration option: ssh-ed25519
  /Users/.ssh/config: terminating, 1 bad configuration options
  </code></pre>
  <p>How to resolve it?</p>