[horde] Servermigration

[Michael J Rubinsky]

Quoting Dirk Weller <do.weller at bdjl.de>:

> Dear Horde-lists users,
>
> I've been running Horde (now: Horde 5 on Ubuntu 14.04 LTS 32 bit) for a
> long period of time (roughly 8 years) on a virtualized system. We are
> now migrating to a new virtualization system which means that I have to
> completely reinstall Ubuntu (change to 64 bit) and Horde 5 and migrate
> the user settings, PGP keys, calendars, address-books, todo-lists,
> mailboxes etc. pp. of my more than 150 users.
>
> I am wondering about the best way to go about this task and have been
> thinking about the following two migration-paths:
>
> 1. Install Ubuntu 14.04 LTS on new machine, pear install Horde 5 there,
> dump Horde MySQL DB on old machine and transfer it (together with the
> users and mailboxes etc.) to my new machine. Then upgrade Ubuntu 14.04
> to 16.04 on the new machine.
>
> 2.  Install Ubuntu 16.04 on new machine, pear install Horde5, upgrade
> old machine to Ubuntu 16.04, MySQL dump Horde DB on old machine and then
> transfer it (together with the users and mailboxes) to my new machine.


If I'm reading your question right, you are basically asking  
where/when to update to Ubuntu 16.04. As far as Horde is concerned, it  
should not make any difference to Horde data when, or on what machine,  
you upgrade Ubuntu. If it were me since you are going to start with a  
fresh install anyway, I would start with the fresh Ubuntu 16.04  
machine and install Horde/configure webserver etc... and then  
dump/import your database/mailboxes etc...I don't see any real reason  
to upgrade the old host before transferring any data. Don't forget any  
VFS storage you might have outside of the database as well.


> I hope that somebody could shine a light on the right way and help me
> sort out some of my questions:
>
> Is there a recommended / better way to go about this task?
> Should I continue with PHP5 or use PHP7 on the new system?

While most of our code works perfectly fine with PHP7, not all of our  
stable application code has been officially marked as compatible yet,  
so take that into consideration in your decision.


> Thank you in advance for helping me sort out my mess!
>
> Regards, Dirk
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-- 
mike
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