Re: Moving a Plone installation

Hi,

thanks a lot for this information.

I like this “conservative approach”. I just did not know it so far. In
particular, I did not know that it is safe to replace the var directory
with the one from another Plone installation. I guess the Plone versions
of both installations must match for this to work. Or is it actually
possible to transfer the var directory from of an older Plone to a newer
Plone? Then I could update my Plone on the way.

All the best,
Wolfgang

Am Dienstag, den 14.04.2015, 15:33 -0700 schrieb Steve McMahon:
> Call me conservative, but I'd be inclined to:
> 
> 
> 1) Do a fresh install on the new machine;
> 
> 
> 2) Make sure it works;
> 
> 
> 3) Copy the buildout.cfg (and any other .cfg files in your zinstance
> or zeocluster directory) to the target;
> 
> 
> 4) Run buildout on the target;
> 
> 
> 5) Make sure it works;
> 
> 
> 6) Transfer the var subdirectory from the old machine to overwrite the
> var subdirectory on the target;
> 
> 
> 7) Make sure it works :)
> 
> 
> 8) Check all your cron jobs (like backup and log rotation);
> reimplement on new machine.
> 
> 
> If you're not using the Unified Installer, make sure you use
> virtualenv to set up your Python on the target. Do not fiddle the site
> packages of your system Python; do not rely on its site packages
> staying stable.
> 
> 
> Extra credit: do steps 1-5 and 8 via Ansible (or other remote config
> mechanism) so that you don't have to ever configure via the remote
> command line again. Many smileys!
> 
> On Mon, Apr 13, 2015 at 8:31 AM, Wolfgang Jeltsch
> <[email protected]> wrote:
>         Hi,
>         
>         I have installed a new OS version on my server, upgrading from
>         Debian 6
>         to Debian 7. Before the upgrade, I made a backup of my entire
>         Plone 4.1
>         installation, including the Python that comes with it. After
>         the OS
>         upgrade, I copied the Plone installation to the newly
>         installed Debian.
>         
>         Since I assumed that the Plone installation is basically
>         self-contained
>         (modulo a few external utilities like zlib), I thought that
>         this
>         approach should work. However, when trying to run the Plone
>         installation, I got the error, “ImportError: No module named
>         _md5”. What
>         is the cause of this, and how can I fix this problem?
>         
>         All the best,
>         Wolfgang
>         
>         
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