[CentOS] yum update download only?

Tue Jan 8 10:45:31 UTC 2008
Lorenzo Quatrini <lorenzo at gmk.it>

Johnny Hughes ha scritto:
> Lorenzo Quatrini wrote:
>> Johnny Hughes ha scritto:
>>> Kenneth Porter wrote:
>>>> Googling for this feature, I saw reports from the yum developer that it
>>>> wasn't yet implemented. This was in mailing list posts from a year or
>>>> more ago. Did it ever make it into the yum code?
>>>>
>>>> I want to start downloading the updates for a server going from 5.0 to
>>>> 5.1 and then do the actual installation once I'm on site. I don't want
>>>> to have to wait around while there for the download to proceed. I'd
>>>> rather have all the packages ready in the yum cache when I get there.
>>> There is a yum plugin to do this ... it is called yum-downloadonly, so
>>>
>>> yum install yum-downloadonly
>>>
>>> Afterwards do this to see how to use the pluging:
>>>
>>> yum --help
>>>
>>> Basically ...
>>>
>>> yum --downloadonly upgrade
>>>
>>> This will put all the updates into the /var/cache/yum/
>>>
>>> (This will be all the updates for the packagelist on the current machine
>>> ... so if you want to get them all, make sure to duplicate the machine
>>> packagelist you want to get the downloads for)
>>>
>>> you can then copy these files to the new machine(s) /var/cache/yum/
>>>
>>> Thanks,
>>> Johnny Hughes
>>>
>> What about centos 4? Does exists something similar?
> 
> Yes, but it is part of the yum-utils package for CentOS-4:
> 
> rpm -q yum-utils
> 
> If you do not have yum-utils installed:
> 
> yum install yum-utils
> 
> Then:
> 
> man yumdownloader
> 
Thanks, Johnny, but I'm too lazy (I tend to be really slow on scripting) to 
make a script that get the list of updated packages and puts them in the right 
place under /var/cache/yum/ ... I was hoping on a "canned" solution :D
I only have a couple of server running CentOS4, so I prefer to get them updated 
on CentOS5 asap :)

Thanks again

Lorenzo Quatrini