EDIT: Found this in another forum : To update packages to a system without Internet connectivity, you need to download the ISO and then mount it locally. To download iso's, please check below given steps: Log into your RHN account. select your desired channel under the Channels tab.ome proxy solutions also allow to download the patches with your desktop PC or whatever, put them on a proxy server and then publish them to your local network. The Red Hat specific products are spacewalk and the Red Hat Network commercial products.