[CentOS] forcing yum to download but not install

[Les Mikesell]

On Mon, Dec 19, 2011 at 10:56 AM, Ryan Wagoner <rswagoner at gmail.com> wrote:
> On Mon, Dec 19, 2011 at 11:39 AM, Alan McKay <alan.mckay at gmail.com> wrote:
>
>> Hey folks,
>>
>> Is there any way to fake a "yum update" just to get yum to force a download
>> of all the files it needs, without actually installing them.
>>
>> I finally have a RPM cache/proxy working and I just want to populate it.
>> The server I want to actually update cannot be updated until tomorrow but
>> I'd like to do a fake update just to force the RPMs into my cache so they
>> will all be pre-downloaded.
>>
>> I don't see anyway from the man page to do this.
>>
>> thanks,
>> -Alan
>>
>>
> Why not just mirror the CentOS repo with rsync? You can have a script rsync
> nightly so updates are ready to install when you need them. Additionally
> your repo will be consistent with CentOS. If you use a proxy you could have
> inconsistent results depending on the cache time to live.

Mirroring a whole repo to save bandwidth for copying the updates to
the subset of RPMs that you have installed never sounded like a good
way to save bandwidth to me....   And proxies are supposed to check
for changes - otherwise you couldn't do much web activity through
them.

-- 
  Les Mikesell
     lesmikesell at gmail.com