On 02/25/2013 08:48 AM, Robert Moskowitz wrote:
I have read a couple old threads here on updates for servers, and I am looking for some mechanics to getting the actual updates done. I don't want automatic updates; I want to control when and what gets updated.
First I have to determine that a particular server needs updates. I suppose a daily script that would run "yum check-updates' and emails me the results could work, but then I would only want the email IF there was something to update, at my limited use of this option does not show anything to trigger a notify on changes. Does anyone know of a script that would do this?
Then there is the actual update. I learned long ago NOT to run yum over an SSH connection, as WHEN that connection breaks in the middle of an update, you can have quite a problem to clean up. All I have done todate is to start vncserver and connect via vnc to then run yum. I can even drop the vnc connection and come back later to check results. I have considered running yum disconnected (? when you end a command with &) and log the results to a file that you check later. What are practical approaches to this? I only have a few servers here to manage.
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Pulp is a Red Hat sponsored python application that manages local repo mirrors (basically a light version of Spacewalk). It has a client app that you can use to communicate with the Pulp server and bind to specific repositories. You can view the package catalog on each consumer, and then can push updates out to consumers at will. It uses MongoDB as the backend database where it keeps track of the package metadata, and has a pretty useful REST API.