title: ERROR: Could not find a valid gem 'rhc' (>= 0) in any repository
body: <p>I am trying to install OpenShift client tools with </p>
  
  <pre><code>C:\&gt; gem install rhc
  </code></pre>
  
  <p>but it is giving error </p>
  
  <pre><code>ERROR:  Could not find a valid gem 'rhc' (&gt;= 0) in any repository
  </code></pre>
  
  <p>how to avoid it and install rhc. </p>