[mythtv] MythTV 0.28 and systemd and Ubuntu 15.10 (wily) or 16.04 (xenial)

[Bill Meek]

On 01/07/2016 03:11 PM, Peter Bennett wrote:
> Hi Guys
>
> Since Ubuntu 16.04 (Xenial) is not yet ready I am trying 0.28 with
> 15.10  (Wily).
>
> I installed xubuntu 15.10 and installed mythtv 0.28 from ppa:mythbuntu/0.28
>
> It looks like it is still trying to use Upstart, but Upstart has now
> been replaced by systemd.  The backend is not starting up. It still is
> using a script in /etc/init/
>
> Am I missing something here?
>
> I am trying to get up to speed with systemd. As far as I can see we need
> a script in /etc/systemd/system/ and we need to run "sudo systemctl
> enable service-name.service".  Can I help with getting this set up?  I
> can create a script and test it then send it on to you for including in
> place of the upstart script?

Hi,

I'm running Ubuntu 15.10 and 0.28-pre.

1st, make sure you don't already a .service file for MythTV, I've
worked with users that did:

     systemctl cat --no-pager mythtv-backend

If not, or if you want to adjust the one that's in /lib/systemd/system/...
then adding it to /etc/systemd/system/ as you said above is right. I've been
learning about it too and here's mine:

$ systemctl cat --no-pager mythtv-backend.service # /etc/systemd/system/mythtv-backend.service
# Useful commands, the 2nd set requires root privs.
#   systemctl cat --no-pager mythtv-backend
#   systemctl status mythtv-backend
#   systemctl is-enabled mythtv-backend
#
#   systemctl enable mythtv-backend
#   systemctl daemon-reload
#   systemctl reload mythtv-backend
#   systemctl start  mythtv-backend
#   systemctl stop   mythtv-backend

[Unit]
Description=MythTV Backend
Documentation=https://www.mythtv.org/wiki/Mythbackend
# TODO: Add TAG+="systemd" to the tuner udev rules and add to the next line.
After=mysqld.service network-online.target

[Service]
User=mythtv
EnvironmentFile=-/etc/mythtv/additional.args
ExecStartPre=/usr/bin/nm-online --quiet --timeout=5
ExecStart=/usr/local/bin/mythbackend --logpath /var/log/mythtv --quiet $ADDITIONAL_ARGS $MYTHTV_BE_OPTS
StartLimitBurst=10
StartLimitInterval=15m
Restart=on-failure
RestartSec=30

[Install]
WantedBy=multi-user.target

Pay attention to the output of systemctl status mythtv-backend. I've seen
users that were failing because the service wasn't enabled.

● mythtv-backend.service - MythTV Backend
    Loaded: loaded (/etc/systemd/system/mythtv-backend.service; enabled; vendor preset: enabled)
    Active: active (running) since Thu 2016-01-07 15:13:19 CST; 8min ago
      Docs: https://www.mythtv.org/wiki/Mythbackend
   Process: 1860 ExecStartPre=/usr/bin/nm-online --quiet --timeout=5 (code=exited, status=0/SUCCESS)
  Main PID: 1926 (mythbackend)
    CGroup: /system.slice/mythtv-backend.service
            └─1926 /usr/local/bin/mythbackend --logpath /var/log/mythtv --quiet

Jan 07 15:13:19 ofc0 systemd[1]: Starting MythTV Backend...
Jan 07 15:13:19 ofc0 systemd[1]: Started MythTV Backend.

-- 
Bill