updates the XML files that are used to reference the repository location.
The repository might be on the local storage drive (a local repository), or available from an Apache webserver (centralized internal repository).
After running the createrepo command, the administrator must create a .repo configuration file that provides additional information about the repository.
The .repo files are stored in the /etc/yum.repos.d/ directory. Some of the components of the .repo file include:
[repo-name] —The repository name.
name=Repository Name —The human-friendly name of the repo.
baseurl= —The path to the repo. May be a file (file:///) or http:// path.