Oracle Linux 7: oracle-rdbms-server-12cR1-preinstall

So today I tried to install the Oracle Preinstall RPM on a freshly installed Oracle Linux 7 machine. However, when I executed yum search rdbms the preinstall package was nowhere to be seen!

It turns out that we need to enable the Oracle Linux 7 “addons” repository in order to find the package. Swiss blogger Martin Berger put me on the right track.

To enable the repository, open the file /etc/yum.repos.d/public-yum-ol7.repo and find the following repository entry:

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