> First post and I'm completely new to YUM, but as I'm learning I'm also
> documenting my every step as I migrate from RHN to YUM.
>
> Anyhow.. for the sake of documentation I am trying to 'illustrate' how YUM
> 'works..
>
> And, as I'm reading the 'How it Works' info on the website I'm curious
> about the following line
>
> <snip>
> Every rpm has a header. That header contains a complete file list,
> package descriptions, lists of what features/libs it provides, lists of
> what it requires, what it conflicts with etc. In order for rpm to make a
> decision about what an rpm will need to be installed it needs the
> information in the header.
> </snip>
>
> My question is.. how can I view this 'header'? How can I see exactly what
> YUM see's when it determines what dependencies and such? I imagine this
> is a simple RPM command?
>
You know all the stuff you see when you do an rpm -qi [somepackage] or
rpm -ql [somepackage] that comes from the header. there is lots of
information in there.
If you want to read the header yourself you can import it in python and
run something like:
for key in hdr.keys():
print hdr[key]
-sv
