Re: What do these rpms do?

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On Sat, 26 Feb 2011 22:30:20 -0800
"Suresh Govindachar" <sgovindachar@xxxxxxxxx> wrote:

> 
>   Kevin Fenzi wrote:
>   >> On Sat, 26 Feb 2011 07:29:02 -0800
>   >> "Suresh Govindachar" wrote:
>   >>
>   >> Please explain the role played by the material in each
>   >> of the following three rpms found on rpmfusion:
> 
>   I was able to look inside two of the three rpms -- although
>   commands like rpm2cpio foo.rmp | cpio -idmv failed to extract
>   the following rpms either rhel5 or fc5, they could be
>   extracted using 7zip on Win XP!

Yes, the rpm format has changed since rhel5/fc5. You will need a more
modern fedora to extract things. 

>   >> 1) broadcom-wl-5.60.48.36-1.fc13.noarch.rpm
>   >> 
>   >>    Common files for Broadcom 802.11 STA driver
>   >> 
>   >>    This package contains the license, readme and
>   >>    configuration files for the Broadcom 802.11 Linux STA
>   >>    Driver for WiFi, a linux device driver for use with
>   >>    Broadcom's BCM4311-, BCM4312-, BCM4321-, and
>   >>    BCM4322-based hardware.
> 
>   Contains:
>      /etc/modprobe.d/broadcom-wl-blacklist.conf
>      /usr/share/doc/broadcom-wl-5.60.48.36/LICENSE.txt
>      /usr/share/doc/broadcom-wl-5.60.48.36/README.txt
> 
>   cat of broadcom-wl-blacklist.conf
>      # modules blacklisted for broadcom-wl
>      blacklist bcm43xx
>      blacklist ssb
>      blacklist b43
>      blacklist ndiswrapper
> 
>   >> 2) kmod-wl-2.6.35.6-48.fc14.x86_64-5.60.48.36-2.fc14.2.x86_64.rpm
>   >> 
>   >>    wl kernel module(s) for 2.6.35.6-48.fc14.x86_64
>   >> 
>   >>    This package provides the wl kernel modules built for
>   >>    the Linux kernel 2.6.35.6-48.fc14.x86_64 for the x86_64
>   >>    family of processors.
> 
>   Contains:
>      /lib/modules/2.6.35.6-48.fc14.x86_64/extra/wl/wl.ko
> 
>   >> 3) kmod-wl-5.60.48.36-2.fc14.2.x86_64.rpm
>   >> 
>   >>    Metapackage which tracks in wl kernel module for newest kernel
>   >> 
>   >>    This is a meta-package without payload which sole
>   >>    purpose is to require the wl kernel module(s) for the
>   >>    newest kernel.  to make sure you get it together with a
>   >>    new kernel.
> 
>   The cpio file in the rpm (viz.,
> kmod-wl-5.60.48.36-2.fc14.2.x86_64.cpio) could not be read!  I
> suppose that is what the rpm's author means by "package without
> payload".

Yes, it's an empty package that simply requires the right kmod for your
currently running kernel. 

>   I copied the descriptions from rpmfusion;  I had to extract
>   the rpms to understand what they were about!

rpm -qli should provide that info as well. 

>   > The common subpackage has the docs and such. The versioned
>   > kmod is one for a specific kernel, and the generic kmod-wl
>   > subpackage is to allow you to pull in the latest specific
>   > kmod version. ;) 
> 
>   I still don't understand how
>        kmod-wl-5.60.48.36-2.fc14.2.x86_64.rpm 
>   helps achieve what it is supposed to help achieve.

It means you can: 

yum install kmod-wl

and it will download that package and see that it requires the specific
version for your kernel. So you don't have to: 

yum install kmod-wl-2.6.35.6-48.fc14.x86_64-5.60.48.36-2.fc14.2.x86_64

which you might note is a bit more difficult to type. :) 

kevin

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