[mythtv-users] systemd revisited

[David Williams]

I hosed my system: Myth 0.28 on Ubuntu 16.04
I tried loading Ubuntu 18.04/Myth 0.29 and experienced headaches others have reported so I decided to go back to basics until the bugs are worked out. 
I reloaded Ubuntu 16.04/Myth 0.28. Plain Jane stuff. As expected I ran into the problem where the back end starts too quickly for my tuners thus I did as I'd learned previously and employed Steven Worthington's fix. It seemed odd that a year later it didn't work so I persevered and repeated the process. Twice. With the same results of no success.
Am I making an error (repeatedly) or, say, has something in the subsequent fixes altered the fix?
As an alternative I tried to install 0.28 on Xubuntu 18.04. I couldn't figure out how to downgrade 0.29 with either Synaptic or the command line install. Even after I set PPA for 0.28 it downloaded 0.29. Is there a way to achieve this and/or is there somewhere I can download 0.28. I looked but it was elusive. 
In the interim I'm back to 0.27/Xubuntu 14.04.
I really cannot adequately express my thanks to the developers and the helpful people on this forum.  
Dave
Steven Worthington's aforementioned fix:
> cd/etc/systemd/system
> mkdir mythtv-backend.service.d
>chown root:root mythtv-backend.service.d
> chmod a=rx,u+wmythtv-backend.service.d
> cd mythtv-backend.service.d
> touchmythtv-backend-override.conf
> chown root:rootmythtv-backend-override.conf
> chmod a=rwmythtv-backend-override.conf
 > Now edit yourmythtv-backend-override.conf file and put in the
> overridesneeded to make mythbackend wait until the network is up. In
>Mythbuntu 16.04 if you have not disabled Network Manager, then itcan
> be used to tell when the network is up enough forexternal accesses to
> work. For that, put these lines inyour mythtv-backend-override.conf
> file:
>
>[Unit]
> Wants=NetworkManager-wait-online.service
>After=NetworkManager-wait-online.service
>
> Then runthis command (sudo or as root):
>
> systemctl enableNetworkManager-wait-online.service
>
> Then youshould be able to reboot and have mythbackend wait until the
>network is up before it starts.
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