[CentOS] Understanding yum automatic upgrades

Tue Apr 5 22:28:29 UTC 2011
Ljubomir Ljubojevic <office at plnet.rs>

email builder wrote:
> Hello,
>   Sorry if this is somewhat naive, but I'm a little confused as to what the 
> criteria is for that which will get upgraded automatically by yum and what will 
> not.
>   I see in our logwatch messages from time to time that yum upgraded a bunch of 
> stuff, but I also notice that yum will not upgrade other packages at all (easy 
> example is clamav, but there are others).
>   Can someone explain or point me to where I can read about the distinction 
> between what is and is not subjected to automatic upgrade?

Automatic upgrade (if "yum upgrade" is run), will upgrade all newer rpm 
packages that are in *enabled* repositories. If you installed from 
external repository that you keep disabled, those packages will not be 
automatically upgraded.