Upgrade vs Install: request for recommendations (trick questions, sort of)

[Alan Cox]

On Fri, 29 Jun 2012 16:41:42 -0400 (EDT)
"Max Pyziur" <pyz at brama.com> wrote:

> Greetings,
> 
> I'm going through the recent release cycles of both Fedora and CentOS in
> upgrading machines.
> 
> I've had to do a fresh install on a machine where the available /boot
> partition size of 200MB was not adequate. Consequently, I created a /boot
> partition of 1GB and did a fresh install. (This was for moving from
> F15->F16; I then successfully upgraded to F17.)
> 
> The issue for me was matching the installation to what I had previously.
> My approach was to store a list of rpms (rpm -qa > F15RpmList.txt) and
> then sdiff -s to a list of F16 Rpms.
> 
> Is there a more efficient procedure than this?

Use yum, but read the instructions on upgrading using yum *carefully*
first.