[mythtv-users] what in the world is going on with database password??

[Mark Perkins]

On 31 October 2018 9:18:46 pm Jim Abernathy <jfabernathy at gmail.com> wrote:


On 10/31/18 12:27 AM, Mark Perkins wrote:



On 31 October 2018 1:43:49 pm James Abernathy <jfabernathy at gmail.com><mailto:jfabernathy at gmail.com> wrote:

I’m now having problems with mythtv-setup not connecting to the database.  I’m following the instructions I documented in the following blog:

https://mythtvinstall.blogspot.com/2018/10/creating-mythtv-v29-frontendbackend-on.html

The first time I did this, no problems.  I complete started over again to verify things. Since I link /etc/mythtv/config.xml to $HOME/.mythtv/config.xml before I run mythtv-setup, I never had to look at the database password.

I ran mythtv-setup after setting up XMLTV json per the wiki as I’ve done before and documented.  I had no problems connecting then, but after I finished, I ran mythfilldatabase and it also bombed due to not connecting with the database.  I tried mythtv-setup again and this time it couldn’t connect.

It’s like I follow the same instructions, but it randomly fails.

when I run mythfilldatabase now I see this:

2018-10-30 22:57:55.639274 I  Start up testing connections. DB 192.168.0.251, BE , attempt 0, status dbAwake
2018-10-30 22:57:56.641275 I  Start up testing connections. DB 192.168.0.251, BE , attempt 1, status dbAwake
2018-10-30 22:58:01.650478 I  Start up testing connections. DB 192.168.0.251, BE , attempt 2, status dbAwake
2018-10-30 22:58:06.659712 I  Start up testing connections. DB 192.168.0.251, BE , attempt 3, status dbAwake
2018-10-30 22:58:11.668891 I  Start up testing connections. DB 192.168.0.251, BE , attempt 4, status dbAwake

Jim A




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I can't speak for Xubuntu, but vanilla install of mysql / mariadb sometimes only bind to localhost as it is default more secure. Have you checked for bind-address? Or:
netstat -peanut | grep 3306


Okay, problem solved, but it brings up questions about what should be changed when configuring the backend the first time. What I do and document is changing General-> Primary IP to 192.168.0.250, which is the IP address of the backend and LOCALHOST. I'm guessing that change now made it important to change the #bind-address=:: to bind-address=::

With that solved I ran the FE and it worked but had no guide data.  So I ran mythtv-setup which stopped the BE then I exited and it asked about running mythfilldatabase.  That failed due to me running mythtv-setup and thereby mythfilldatabase as 'jim'.  I had configured XMLTV as 'mythtv'.

So I ran mythfilldatabase as 'mythtv'. problem solved.

This brings up what should be done to make this work all the time.

1. Either leave General -> Primary IP as 127.0.0.1 or always do the bind-address=:: fix

2. When doing mythtv-setup as "jim" don't run mythfilldatabase as part of exiting. Then sudo su mythtv and then run mythfilldatabase

3. Or do I run the XMLTV setup stuff as "jim" and then link all the .xmltv stuff in /home/mythtv/.xmltv back to /home/jim/.xmltv

Thoughts?

Jim A



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My 2 cents:
- Always do bind-address fix. But I'm sure there are a lot of combined BE/FE with no remote FE who would disagree. But I just think do it now and save problems later.
- always run mythtv-setup as the user who runs the backend. This shakes out a bunch of possible permission problems and environment problems sooner rather than later.  But IIRC mythbuntu is not set up this way.
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