[CentOS] one-shot yum command to match rpms between systems?

On Wed, May 18, 2016 at 12:54:51AM -0600, Frank Cox wrote:
> Given a list of rpms on one system (rpm -qa > list.txt), is there a
> one-shot command that I can run on another system to remove all of
> the rpms not listed and add any that are on the list and not present
> on the second system? 

I'd probably turn it into a puppet manifest or ansible playbook, and
use that to install the packages.  I'd not use rpm -qa unadorned,
though, but rpm -qa --qf "%{NAME}.%{ARCH}\n".

-- 
Jonathan Billings <billings at negate.org>