[Yum] Documentation Questions and Updates

Seth Vidal skvidal at fedoraproject.org
Wed Dec 16 15:47:50 UTC 2009

On Wed, 16 Dec 2009, Gerhardus Geldenhuis wrote:

> On Wed, Dec 16, 2009 at 2:57 PM, James Antill <james-yum at and.org> wrote:
>> Gerhardus Geldenhuis <gerhardus.geldenhuis at gmail.com> writes:
>>> After enabling the plugin, create a file called
>>> /etc/yum/pluginconf.d/versionlock.list which will be the list of
>>> packages to version lock. The file excepts package names in the form
>>> rpm -q <package name> --queryformat "%{NAME}-%{VERSION}-%{RELEASE}\n "
>>> or easier the standard rpm -q <package name> format.
>>  For upstream/Fedora the versionlock plugin now comes with a command,
>> so, for example, to versionlock your Xorg drivers you just do:
>> # yum install yum-plugin-versionlock
>> [...]
>> # yum versionlock xorg-x11-drv-\*
>> [...]
>> #
> Ok, a few clarifications is needed then...
> The yum versionlock <packagename>-\* command adds a 0: to the
> /etc/yum/pluginconf.d/versionlock.list file
> Is the 0: needed and what does it mean? man pages yum-versionlock and
> yum-versionlock.conf does not make mention of this entry in the file.

The 0: is the epoch of the package. It is normally left off when people 
read it but for the computer it is best to have everything completely 
specified so there is no ambiguity.

> Also should all entries be added in this way or can you still hand
> edit the versionlock file.

you can hand edit it.

> Glad to help, I am on a bit of a documentation warpath today. Internal
> lack of documentation at my current contract is driving me a bit
> mental. A few years back I was cleaning up some old computer lab that
> had IBM mainframes from the 60ties and discovered some old
> documentation. I was absolutely amazed at the level of detail and
> precision of these documents and wished a bit that more documentation
> could be like that... granted we live in a very different world today
> and things work differently and change much faster... but still...
> <sigh>

thanks for the help. we need it for the docs especially.


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