Why can't I ugrade Fedora like Centos?

[Patrick O'Callaghan]

On Sat, 2009-11-07 at 21:11 +0530, Rahul Sundaram wrote:
> On 11/07/2009 08:39 PM, Patrick O'Callaghan wrote:
> > On Sat, 2009-11-07 at 09:22 -0500, John Aldrich wrote:
> >> On Saturday 07 November 2009, Timothy Murphy wrote:
> >>> I upgraded from CentOS-5.3 to CentOS-5.4
> >>> (and earlier from CentOS-5.2 to CentOS-5.3)
> >>> just by running "yum update".
> >>>
> >>> Why can't I upgrade to Fedora-12 like that?
> >>> Is it just that the CentOS makers are cleverer...?
> >>>
> >> Actually, that's exactly how I upgraded to F11 from F10. Fedora noticed 
> >> that there was an updated version of Fedora available and asked if I wanted 
> >> to upgrade. I said sure, so it downloaded all the RPMs and upgraded me. 
> > 
> > Presumably you're talking about the Package Manager. yum on its own
> > isn't going to ask you if you want to upgrade Fedora.
> 
> Here it how this works:
> 
> When there is a new release of Fedora, GNOME PackageKit or specifically
> gpk-update-icon which is the update notifier prompts you to upgrade with
> a notification on your desktop
> 
> http://packagekit.org/img/gpk-distro-upgrade-notify.png
> 
> If you agree, in Fedora, it will call preupgrade to perform the actual
> upgrade.  This works starting from Fedora 10 onwards.

That's fine. All I was trying to establish is that asking the question
isn't a function of yum as such, but of Package Kit, which uses yum to
do the actual upgrade. I can't be bothered with PK so I just use
preupgrade on my own (or download a DVD).

poc