Thanks for the quick help, but... adding the local isos to up2date works, but this program only cares for packages already installed. I want to use my isos with "redhat-config-packages" to have an easy way of installing _new_ packages. So, my question is, where can I tell "redhat-config-packages" not to search for my physical cds, but for my local packages in /mnt/iso1/ /mnt/iso2/ ...