disabling upgrades on new machines by default?

[Mark Shuttleworth]

On 02/10/14 15:46, Robert Jennings wrote:
> Why not change the image-stream to 'daily' from 'release' rather than
> altering whether or not we update packages on an instance?
>
> The default environment configuration specifies that the image stream
> is 'releases' rather than 'daily'.  This means that the delta for
> updates will be large and updating the instance takes more time.  I'd
> suggest changing that default and leave the automatic update.
>
> If you keep the 'release' stream as the default and then make the
> change to not perform updates then there are so many more packages
> that are old and crufty (and possibly insecure).

The 'release' image stream is iirc rebuilt at least fortnightly to
include latest updates, to avoid the ever-increasing-delta that you
describe. It's also iirc rebuilt any time there's a big security issue.
Jorge pointed to
http://blog.utlemming.org/2014/08/archive-triggered-cloud-image-builds.html
for daily builds but I believe a similar process is in place for release
images.

Mark

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