title: Trying to install oracle on Scientific Linux release 6.2
body: <p>We are trying to install Oracle11g on Scientific Linux release 6.2 using yum and we are getting a error</p>
  
  <p>This is the command:</p>
  
  <pre><code>yum install oracle-rdbms-server-11gR2-preinstall
  </code></pre>
  
  <p>This is the output error:</p>
  
  <pre><code>warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
  Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
  
  
  GPG key retrieval failed: [Errno 14] Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
  </code></pre>