On Fri, Mar 6, 2015 at 11:07 PM, Yasha Karant <[log in to unmask]> wrote:
> On 03/06/2015 06:57 PM, Phil Wyett wrote:
>> On Fri, 2015-03-06 at 15:46 -0800, Yasha Karant wrote:
>>>
>>> I attempted to update a SL 7 system using the Add/Remove Software GUI
>>> update feature.  The update fails with:
>>>
>>> Test Transaction Errors:
>>> file /sbin/extlinux from install of
>>> syslinux-5.10-1.el7.rfx.x86_64 conflicts with file from package
>>> syslinux-extlinux-4.05-8.el7.x86_64
>>
>> You are trying to update with syslinux from RPM Forge (a third party
>> repo). Are you sure you want this package to try install?
>
> If I correctly understand you, one of the repos that I needed to install in
> my Add/Remove software (and yum) database was RPM Forge -- presumably for
> some application (or development environment) that I needed and that was not
> building easily from source.  Thank you for identifying the repository.  (Is
> there a list of which RPM comes from which repo?  That is, other than by
> prior knowledge and inspection, is there any clean/clear mechanism to
> identify .rfx. as RPM Forge, etc.?)
>
> Thus, if I "deactivate" RPM Forge for now via the Add/Remove GUI, the update
> should work.  I will not be at my machine until Monday next, but I shall
> test this idea then.

If you need RF packages, you could look into "exclude" and
includepkgs" in "yum.conf".

You can list the provenance of your packages with

rpm -qa --qf '%{NAME} %{VENDOR}\n'