title: How to fix when deleted folder /var/lib/* in CentOS 6
body: <p>How to fix when deleted folder <code>/var/lib/*</code> on CentOS 6?</p>
  
  <pre><code>rpm -q centos-release yum rpm python
  
  package centos-release is not installed
  
  package yum is not installed
  
  package rpm is not installed
  
  package python is not installed
  </code></pre>