--Mounting the CD/DVD-- #mount -t iso9660 /dev/cdrom /media/cdrom (adapt this to your environement) --Mounting the ISO image-- #mount -o loop /path/to/file.iso /path/to/isodest (adapt this to your environement) -- Using the command 'createrepo' to create the repository -- Note : You will need to download the package 'createrepo' in order to be able to create the repository (look at http://dag.wieers.com/rpm/packages/createrepo/). Change to directory where you can list the content of the DVD : #cd /media/cdrom #createrepo . (it should take some time) #yum clean all --Create a new .repo file-- #cd /etc/yum.repo.d/ In this directory using your prefered text editor create a new file .repo : #vim rhel5_dvd.repo And the file should look like this : [rhel5_dvd] name=DVD Redhat Enterprise Linux 5 baseurl=file:///media/cdrom/ enabled=1 gpgcheck=0