[log in to unmask] wrote:
> Hello,
> what is the preferred method to upgrade SL4.1 -> SL4.2?
> Just reconfigure the repositories and do a yum update?
> Thanks,
> e.


1) yum update
2) yum clean all
3) rpm -Uvh 
ftp://ftp.scientificlinux.org/linux/scientific/42/i386/SL/RPMS/yum-conf-42-3.SL.noarch.rpm
4) yum update yum

[reboot]

5) yum upgrade
6) yum clean all

[reboot]