On Mon, 12 Dec 2005, Ioannis Vranos wrote:

> John Haggerty wrote:
> > I'm pretty new to yum, so can anyone say whether there are any 
> > subtleties to upgrading SL 4.0 or 4.1 to SL 4.2 using yum?  The nicely 
> > detailed  "How To Upgrade To The Latest Release" can clearly be adapted 
> > to this task, but are there any gotchas when you do that?
> 
> 
> This one works OK for upgrading from 4.1 to 4.2:
> 
> 
> 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]
> 

Should not really need this step.  Should not hurt either.

> 5) yum upgrade
> 6) yum clean all
> 
> [reboot]
> 
> 
> Replace the ftp URL to the corresponding one for upgrading to 4.1 from 4.0. I do not know 
> if a direct upgrade can be done from 4.0 to 4.2.

It should work.

> 
-Connie Sieh