Markku Kolkka wrote:
> 27.4.2012 16:26, Shaun kirjoitti:
>>
>> But then the reason why I didn't pay as much attention in the first
>> place is because I *assumed that only that removed-pacakage and
>> dependencies brought in by it at the install-time would be removed via a
>> yum remove.
>
> So the real problem is that you don't understand the directionality of
> dependencies. "yum install packagename" installs packagename + anything
> that packagename requires. "yum remove packagename" removes packagename
> + anything that requires packagename. The set of packages required by
> packagename and the set of packages that require packagename are two
> entirely different things.
>
> For example, let's have three packages A, B, and C where B requires A
> and C requires B:
> A<-B<-C
> "yum install C" will install all three packages. "yum remove C" would
> remove only C. "yum remove B" would remove B and C. "yum remove A" would
> remove all three packages
Ok, so deepen my understanding of yum: what about where package A requires
B and C, and package D also requires B. If I yum uninstall A, what happens
to B? Obviously, if it goes away, then D is broken....
mark
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