[CentOS] Re: Clarification

Johnny Hughes mailing-lists at hughesjr.com
Sat Oct 8 12:54:49 UTC 2005


On Fri, 2005-10-07 at 13:08 -0400, Sam Drinkard wrote:
> Thanks for the clarification Greg.  I kind of figured they both would 
> work about the same, but didnt' know if there was a preference for one 
> over the other or not.  Just seems like up2date is the simpler of the 
> two with a few clicks of the rodent and its done.
> 

The up2date in CentOS uses a yum backend to retrieve the files anyway
(though it uses an older version of yum than is included in CentOS-4).
For updates only, up2date is very simple for users with a GUI, which is
why it is included.

yum is more for all package management (install, remove, updates), and
it can do updates easily from the command line.  I use yum exclusively
on server machines where I don't load a GUI ... but I have to admit that
I also use up2date on my main workstation :)

> Greg Knaddison wrote:
> 
> >Snowman,
> >
> >up2date and yum both work on top of or maybe "in cooperation with" the
> >rpm package management system.  So, if you like using one or the other
> >to do your updating at a given time you can use either one and they
> >won't get confused since they both store/read information from the
> >rpmDB.
> >
> >Yum uses metadata about a repository to know what is going on, what
> >updates might exist, etc.  You can use "yum list updates" to see what
> >needs to be updated.  Some people put a "yum list updates" and then
> >redirect it to mail to them in their daily cron so that they know if
> >they have updates rather than using the up2date applet.
> >
> >When you start yum it goes to the repositories in your configuration
> >files, pulls down the metadata from those repositories and then parses
> >through it looking for updates, packages to satisfy dependencies if
> >there are updates, and other fun stuff like that.
> >
> >None of the files for CentOS (unless you changed something) from from
> >anything RH related.  I assume you know how that all works and said
> >"RH" where you meant "CentOS"...
> >
> >Regards,
> >Greg
> >
> >
> >
> >  
> >
> >
> >
> >  
> >
> 
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