[CentOS] Why is yum not liked by some?

[Johnny Hughes]

On Wed, 2005-09-07 at 23:21 -0500, Les Mikesell wrote:
> On Wed, 2005-09-07 at 22:39, Greg Knaddison wrote:
>  
> 
> > > Or better yet,
> > > a way to tell it that you don't _want_ it to consider anything
> > > that changed since you did an update on a different machine
> > > and you want it now to apply exactly the same changes on
> > > an important machine that you tested elsewhere (preferably
> > > pulling from exactly the same repository mirror or using some
> > > transaction checkpoint to ensure an identical operation).
> > 
> > As long as you use specific instructions to yum like "yum install
> > foo.1-3.386" and you have a clean and simple set of conf/repos files,
> > then yum will do a very specific thing.  If you have multiple
> > repositories in your configuration and you just say "yum update" then
> > it might not behave exactly as you desire.
> 
> If you managed a set of servers running homegrown code that
> may or may not be sensitive to library and utility program
> versions, what steps would you use to keep a test server
> up to date, then after performing any needed application
> testing, to roll out the same changes to the production
> servers in various different locations?  The object is to
> install exactly the updates you just tested in spite of any
> subsequent repository changes or out-of-sync mirrors.
> 
You would run a local mirror that only had the updates you tested on
it :)
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