[CentOS] Nvidia Mod Update

[S.Tindall]

On Sat, 2015-02-07 at 23:06 -0500, Mark LaPierre wrote:
> Hey all,
> 
> On my X86-64 CentOS 6.6 machine I just ran yum update.  In the update
> was an upgrade from the 340.XX Nvidia package to the 346.XX package.
> Hrmmm?  I'm thinking this is not a good idea but, since this is just a
> test system any way, I let it run.  Sure enough I was right.  Dmesg says
> that my video is supported by the 340.XX driver, not the 346.XX driver.
>  It's not happy cause it can't find a supported GPU.
> 
> 1. So, having only a command line interface, how do I tell yum to rip
> out the 346.XX package and reinstall the 340.XX package?
> 
> 2. How do I tell yum not to do such stupid stuff again?

Assuming you mean that you just updated the kmod-nvidia package, then
follow the instructions at the top of this page.

http://elrepo.org/tiki/kmod-nvidia

It happened to me, too. Easy fix. :-)

Steve