></a><code class="language-text">npm ping</code></h4>
<p>By default, npm installs from the primary npm registry, <code class="language-text">registry.npmjs.org</code>.
<code class="language-text">npm doctor</code> hits a special ping endpoint within the registry. This can also be
checked with <code class="language-text">npm ping</code>. If this check fails, you may be using a proxy that
needs to be configured, or may need to talk to your IT staff to get access over
HTTPS to <code class="language-text">regis