Ioannis Vranos wrote:
 >

I forgot that you have the x86_64 version, so the upgrade process becomes:


> Keep in mind you can easily upgrade your system from 4.0 to 4.1:


1. rpm -Uvh 
ftp://ftp.scientificlinux.org/linux/scientific/41/x86_64/SL/RPMS/yum-conf-41-4.SL.noarch.rpm


> 2. yum update yum
> 
> 3. yum upgrade