[CentOS] Package Distribution Server?

[John R Pierce]

Zhihao Lou wrote:
> Dear List,
>
> I'm trying to set up a lab with multiple workstations running CentOS  
> 5. Does anybody knows how to keep the packages in sync among  
> workstations? Ideally I want any change made on any machine be able to  
> applied to all other machines. Alternatively, to "push" the changes  
> (add and/or remove packages) from one central server to all other  
> machine is also fine.
>   

create your own inhouse yum repo, put the packages you want to update on 
that server, and have the workstations do a nightly `yum update` (after, 
of course, being configured to use your repo instead of the default 
internet centos repo)