[CentOS] Most efficient way to create a CentOS 3 test VM

Tue Nov 26 23:38:52 UTC 2013
Johnny Hughes <johnny at centos.org>

On 11/26/2013 02:00 PM, Warren Young wrote:
> I'm about to create a new CentOS 3 VM for testing, since we still have a 
> bunch of deployed machines running that OS.
> (Don't yell at me about using old OSes.  These machines won't get 
> "un-deployed" until they fall over dead of natural causes.  Until the 
> last one dies, we need test and build VMs around to service them.)
> I have the CentOS 3.9 *.iso files plus a local cache of RPMs against 3.9 
> that is probably incomplete relative to the vault[*].
> It seems wasteful to install the last published version of the OS, then 
> scp over my local update RPMs, freshen from those, *then* check with the 
> vault for yet more updates.
> What I'm hoping for is some way to get a "CentOS 3.10", being 3.9 with 
> the vault updates directory contents merged in.
> Is there a straightforward way to do that, or is schlepping around 
> folders full of RPMs actually the best way to go?
> [*] http://vault.centos.org/3.9/updates/i386/RPMS/

If I needed to do this, I would mirror the 3.9/os/ and 3.9/updates/
directory (and others if you need them)

Then I would create my directory as well in the same tree or even put my
files in 3.9/updates/ as we are no longer putting files there anyway.

Then I would rerun createrepo on the updates/i386 and updates/x86_64
directories and do network installs and run updates.

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