Re: Yum Install

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On Thu, 2006-05-18 at 16:53 -0500, Les Mikesell wrote:
> On Thu, 2006-05-18 at 16:36, Karl Larsen wrote:
> > >
> > > No, you should use rpm -Uvh to install or upgrade packages. Use 
> > > rpm -i only when you want to install package even if there's an 
> > > older version (e.g. for kernel packages).
> > >
> > >   
> >     Sorry, I own a copy of Maximum RPM and it goes into details for 
> > every control letter. There is no old copy of Adobe Acrobat here. If 
> > there was one it would error out telling me so. It didn't. It's 
> > installed and working.
> 
> -U always works and saves the time of thinking about whether
> it's the first install or not.  I think the kernel is the
> only thing that lets you keep multiple copies anyway.

It isn't the *only* thing (the qt4 package going through the Extras
review process at the moment springs to mind as an example I came across
yesterday) but packages have to be carefully designed to be
parallel-installable by using version/release numbers in all pathnames
to avoid pathname conflicts. For most packages containing binaries, this
isn't even possible. The kernel (and associated modules) are certainly
the only things commonly parallel-installed.

Paul.


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