"yum upgrade" works fine for me. But there is no new kernel for 4.1 (as opposed to the latest kernel for 4.0). Perhaps that is your problem. On Sat, 2005-08-06 at 13:22 -0300, Claudio Tellez wrote: > Please, > > I tried to upgrade to 4.1 using the apt-get. I ran the apt-get update > and the apt-get dist-upgrade with no problems. But when I ran apt-get > upgrade-kernel, I received the following message: > > E: Invalid operation upgrade-kernel > > I run Scientific Linux 4.0 in a Pentium IV. The only way of upgrading is > via the anaconda installer? > > Best regards, > Claudio Tellez > [log in to unmask] > > > >>