RE: "yum update" with most of the rpms already on a USB key?

[Mike Cloaked <mike cloaked gmail com>]

Robert P. J. Day-2 wrote:
> 
> 
> 1) i wasn't *absolutely* sure that yum doesn't squirrel away any
> accompanying meta-info as it's populating /var/cache/yum so i was a
> little nervous about just dumping a pile of extra rpms in there which
> yum itself didn't stash there.
> 
> 

I do this all the time - in fact I update one F10 machine here and then
rsync the rpms to my other f10 machines locally - then yum -y update on any
of the other machines usually only has the odd additional update that yum
grabs from the repos externally - yum knows that if the rpm is already in
the cache it does not need to download it but if the correct rpm is not
there for a package it then looks in the defined repos - in other works yum
is much cleverer than you think!
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