[mythtv-users] Is there an approved may to remove frontend settings?

[Daryl McDonald]

On Mon, Feb 3, 2014 at 11:15 AM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> On 02/02/2014 06:00 PM, Mike Perkins wrote:
>>
>> On 02/02/14 18:23, Raymond Wagner wrote:
>>>
>>> The point is that the user shouldn't be fiddling in the database to find
>>> it
>>> "unclean" except in the case of development, which would more
>>> appropriately
>>> belong on the -dev list.
>>>
>> Perhaps. But when a simple OS upgrade suddenly causes all your mythtv
>> settings to disappear then investigation is required. That's when you find
>> that 'hostname' has suddenly become 'hostname.example.com' and mythtv-setup
>> is asking you to remember all those settings you tuned over so many years
>> (and forgotten!).
>
>
> No, the proper solution, then, is to change the
> proper-host-name-but-improper-settings profile host name (using
> http://www.mythtv.org/wiki/Database_Backup_and_Restore#Change_the_hostname_of_a_MythTV_frontend_or_backend
> ) to some "unused" value (like "garbage" or "oops" or whatever), then change
> the wrong-host-name-but-proper-settings profile host name to the proper host
> name using the same approach.
>
>
>>
>> Of course, when you fix that, the 'new' settings stay in the database
>> until the next time you do an upgrade and something else moves... now you
>> have /two/ sets of settings with little clue which is the correct one.
>>
>> I'm not suggesting that users deliberately fiddle with the database. What
>> I'm suggesting is that with all the cruft that builds up for the above
>> reasons and others, fault finding becomes that much more difficult. A
>> mechanism for clearing out the dead wood would be useful.
>>
>
> Eventually it will be there-, but as part of a change to the whole profile
> mechanism that will also stop using host names as the *default* value for
> the profile identifier.  The host name of a MythTV system is completely
> irrelevant.  However, we need /some/ name for the profile, and years ago
> someone decided to use host name as a default.
>
> Note, too, that the host name is only the *default* name used for the
> profile.  Users should probably--because of the problems they have keeping
> host names consistent/constant over time--specify the profile name they want
> when first configuring the backend settings (by specifying a name for
> "Custom identifier") or as a LocalHostName override in their config.xml.  If
> you do, you can change your host name all you like, and as long as you have
> users running MythTV applications properly configured (with a valid
> config.xml, as created when you configured backend settings and specified a
> "Custom identifier"), all will work.
>
> Mike
>
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So is there a way to go into an existing combined FE/BE setup and
change the default, hostname dependent, profile and create a custom
identifier?