> I recently built a CentOS 6 system as my main machine at home. > With a bit of help from members of this list, it is now working > better than the machine it replaced (RIP). > The new machine works so well, that I would like to convert some > CentOS 5 machines to CentOS6. > > I did some research on the web and the new install is still considered > the proper way to upgrade CentOS. Same as Fedora and RHEL. > The question becomes, "What makes the Ubuntu developers so > clever that they can do major upgrades through their apt based > update system?" > > There must be some sort of gotcha or tradeoff involved in allowing this. > > Does anyone have any insights on why they can get away with this > while CentOS cannot? To add to Les' points, Fedora has offered in place upgrade, going at least as far back as FC1 -> FC2. I seem to recall that I used to be able to upgrade my free RHL (non-enterprise) versions in place, as well, but I won't swear to it. -- Mike Burger http://www.bubbanfriends.org "It's always suicide-mission this, save-the-planet that. No one ever just stops by to say 'hi' anymore." --Colonel Jack O'Neill, SG1