[Yum] update kernel: Install versus update

[Tim Lauridsen]

Alois Steindl wrote:
> Hello,
> I am running 3 Fedora Core 6 systems on 3 PCs, all configured quite 
> similarly. On two of the machines yum removes the old kernel, when it 
> installs a new one, on the third one it doesn't remove the old kernel.
> (Unfortunately that's just the one with the smallest /boot partition, 
> so I have to deinstall the old kernels by hand, but it's certainly not 
> a big issue.)
> Is there any switch or whatever to tell the third machine to behave 
> like the other ones? I couldn't find any difference in the 
> configuration files.
> Alois
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The old kernel cleanup is controlled by the installonlyn yum plugin.
check /etc/yum/plugin.cond.d/installonlyn.conf
It should have 'enabled=True" to work.

Tim