35.2. Finishing an Upgrade
Most software repository configurations are stored in packages that end with the term
release. Check the old package list for the repositories that were installed:
If necessary, retrieve and install these packages from their original sources on the Internet. Follow the instructions at the originating site to install the repository configuration packages for use by
yum and other software management tools on your Red Hat Enterprise Linux system.
Then run the following commands to make a list of other missing software packages: