Converting RHEL To OEL YUM

# cd /etc/yum.repos.d # wget  http://public-yum.oracle.com/public-yum-ol6.repo # yum repolist Might give an error Could not open/read file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle To resolve this use the following command # rpm –import http://oss.oracle.com/ol6/RPM-GPG-KEY-oracle # rpm -q gpg-pubkey-ec551f03-4c2d256a After the updates are complete system might start