title: Install PHP Mcrypt Extension on Redhat 7.4
body: <p>I have tried to install php mcrypt extension on redhat 7.4 using this command </p>
  
  <pre><code>yum install php-mcrypt
  </code></pre>
  
  <p>The following errors occured.</p>
  
  <pre><code>No package php-mcrypt available
  </code></pre>
  
  <p>server info
        Redhat 7.4,
        php version (5.4.16),
        Laravel 5.0</p>
  
  <p>Can you help me how to install this extension?</p>