[mythtv-users] Fresh install of Mythtv version 29

Stephen Worthington stephen_agent at jsw.gen.nz
Mon Dec 11 03:23:05 UTC 2017

On Sun, 10 Dec 2017 17:46:31 -0800, you wrote:

>On Mon, Dec 4, 2017 at 3:52 PM, Stephen Worthington <
>stephen_agent at jsw.gen.nz> wrote:
>> On Mon, 04 Dec 2017 12:53:05 -0500, you wrote:
>> >On Mon, 2017-12-04 at 16:53 +0000, Jim Abernathy wrote:
>> >> Since I had problems trying to upgrade a production system from 0.28
>> >> to 29, I tried building a new Xubuntu 16.04.3 system as a test case.
>> >>
>> >> I added the repository PPA:mythbuntu/0.29. And then installing the
>> >> package mythtv.  It installed just fine. I did setup a link from
>> >> /etc/mythtv/config.xml to the .mythtv/config.xml before running the
>> >> frontend due to past issues, but not sure if it’s still
>> >> required.  Once the backend was setup with a tuner and storage
>> >> locations, I could watch TV, etc.
>> >>
>> >> Everything worked as expected. but one observation.  It systems to
>> >> have install MariaDB. I wasn’t expecting that.
>> >
>> >All the distros seem to have switched from MySqlDB to MariaDB.
>> >
>> >David
>> Excellent!  MariaDB is better than MySQL now from my point of view -
>> it still uses readline in its utilities so I can use proper command
>> history.  MySQL changed to using editline in recent versions due to
>> Oracle not liking the license for readline, and editline is horrible.
>> I manually switched to MariaDB when they did that.  A mate at a local
>> Linux group mentioned that he thought MariaDB was rather faster and
>> used less RAM also, but I have not verified that.  I have not run
>> across any incompatibilities - it works just the same as MySQL as far
>> as MythTV and the command utilities is concerned.  It does produce
>> fewer and better warning messages.  The only thing that you need to
>> watch for is that it has an extra config file under /etc/mysql where
>> you can put MariaDB only config so it will not interfere if you change
>> back to MySQL.
>> _______________________________________________
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>This may be a stupid question, but...
>Previously, under MySQL, when upgrading MythTV versions one would point
>myth setup to the existing DB and this would automatically upgrade the DB
>between versions.
>Will this work under MariaDB?  I.e. can one simultaneously upgrade from
>0.28 to 0.29 at the same time as from 14.04 to 16.04?

If it works with MySQL, it works with MariaDB - it is a completely
compatible drop in replacement for MySQL.

The MythTV database schema upgrades are done by MythTV - it detects
the current version of the database and sends all the necessary SQL
commands to the database program (whether MySQL or MariaDB) to do the

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