[mythtv-users] Backend DB migration--replace or just restore?

[DryHeat122]

Alright, thanks again for your patience answering dumb questions.  I have
installed the OS (18.04 since I had problems with 20.04) and mythtv. I have
not yet run mythtv-setup.  There is a config.xml in /home/mythtv/.mythtv
but not in /home/steve (in fact there is no .mythtv there either).  I am to
the point where I'm going to restore the mythconverg from my old machine
(which I have the idea I should do before running mythtv-setup).  The docs
say I should

echo "DBBackupDirectory=/home/mythtv" > ~/.mythtv/backuprc


But if I do that the backuprc will wind up in /home/steve/.mythtv (which
like I said doesn't exist)  Shouldn't this go in /home/mythtv/.mythtv
instead?




On Sun, Jul 26, 2020 at 11:23 AM Jim Abernathy <jfabernathy at gmail.com>
wrote:

>
> On 7/26/20 2:02 PM, DryHeat122 wrote:
>
>
>
> On Sun, Jul 26, 2020 at 10:49 AM James Abernathy <jfabernathy at gmail.com>
> wrote:
>
>> [snip]
>>>
>>> > Bill thanks for all the advice.  I'm really grateful.  I have started
>>> over just to get back to square one and undo anything I have screwed up.
>>> > I have two questions about xmltv I will post on the other thread.  Re
>>> installation:  Should I run everything--i.e. mythtv-setup, xmltv
>>> > config--as user mythtv rather than as user steve?  I'm thinking the
>>> answer is yes and this is where I started developing problems before.
>>>
>>> mythtv-setup is always to be run as user mythtv, but in reality, it
>>> probably isn't. In the past, that meant that
>>> things like Storage Directories can't be read and the tests for them
>>> fail (if proper 'normal' permissions were
>>> used.)
>>>
>>> XMLTV adds a new reason for that. But I didn't use it, rather did the
>>> configuration from the command line.
>>> And in that case also ran it as user mythtv.
>>>
>>> Being practical, or perhaps lazy/forgetful, I added a line in my .bashrc
>>> so I can run mythfilldatabase
>>> without thinking too hard:
>>>
>>>    alias mfdbrun='sudo --login --user=mythtv mythfilldatabase'
>>>
>>>
>>> --
>>> Bill
>>>
>>
>> Here's my problem with trying to run mythtv-setup as user 'mythtv'.  I
>> just confirmed this on a fresh Ubuntu 20.04 system.  When the Ubuntu system
>> was installed the initial user was 'jim'.  The mythtv install created the
>> 'mythtv' user but it is not a normal login user so to run mythtv-setup as
>> 'mythtv' I had to give user 'mythtv' a password.  If I do that I have to
>> logout and back in as user 'mythtv' and run mythtv-setup otherwise I get
>> some xhost error.
>>
>> When you exit. mythtv-setup, it  asks to start the backend and if you say
>> yes, it asks for a password which will not work with user 'mythtv' unless
>> you've added mythtv to the sudo group.
>>
>> To avoid all these issues, while user jim, I just sudo su mythtv and
>> create the recordings directory with mkdir /home/mythtv/recordings and then
>> it has the right permissions.  While I'm there I set up XMLTV since I'm
>> user mythtv. Once that's done I exit back to user jim and run mythtv-setup.
>>
>> Never had a problem. However if I have to run mythfilldatabase manually,
>> I sudo su mythtv and then run it.
>>
>> JIm A
>>
>
> OK so, just to make sure I understand the advice and I am getting
> consistent advice....do run xmltv config as mythtv, but run mythtv-setup as
> steve, not mythtv.  Right?  And also I should make sure the permissions on
> my video storage directory permit mythtv as well.
>
> First let me say that we all have ways that work for us.  I'm no developer
> and I don't play one on TV.  However, I've been using mythtv for a really
> long time and have developed a process that works for me. First since I
> observe Ubuntu as the Linux of choice for mythtv, that's what I use.  When
> I install I create the initial user as me, 'jim'.
>
> After mythtv is installed I know the backend will run as user 'mythtv'
> and since the backend kicks off mythfilldatabase everyday then it will be
> run as user 'mythtv'.  So I need my directories that the backend uses for
> recordings, etc. to have the right permissions. Hence the sudo su mythtv
> before I do the mkdirs for the backend files.
>
> As to XMLTV.  the wiki says to run it as user 'mythtv' and that is what I
> do. And by doing this I don't need a bunch of links to keep it working a
> user 'jim'
>
> As to mythtv-setup, since it needs to run with 'X' because of it's gui,
> the easiest why is to run it as the initial user; 'jim' for me.
> mythtv-setup also needs to be run by a user that is a part of the sudo
> group (definitely in v31). Again easiest way is to run as initial user;
> 'jim' for me.
>
> As to mythfilldatabase, it needs to be run as user 'mythtv' if run
> manually.  However, during installation, after I complete mythtv-setup and
> XMLTV, I just reboot.  That starts up mythtv-backend and after a few
> minutes, mythfilldatabase seems to start on it's own.  If nothing populates
> in the EPG after 10 minutes, I "sudo su mythtv" and then run
> mythfilldatabase.
>
> Jim A
>
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