gem install rails -v 4.1.0 stuck with ri-documentation <p>I've run <code>gem install rails -v 4.1.0</code> on my server, but somehow it's stuck with </p> <pre><code>Parsing documentation for rails-4.1.0 Installing ri documentation for rails-4.1.0 </code></pre> <p>Can I abort this? What do I need the ri documentation for? Is it really required?</p>