[mythtv-users] Sudoers fix for MythTV builtin commands requiring sudo systemctl
Janusz S. Bień
jsbien at mimuw.edu.pl
Sun Jul 14 07:37:56 UTC 2019
On Sun, Jul 14 2019 at 5:18 +12, Stephen Worthington wrote:
> I have created what I hope is a good workaround for this problem on
> Ubuntu 18.04, and it should also work on Ubuntu 16.04. It uses an
> entry in sudoers to allow a helper script to be run with sudo to
> execute the correct systemctl commands.
> Here is the /etc/sudoers.d/mythtv-systemctl-helper file:
I don't have /home/mythtv in my Debian stable (buster) installation, I
replaced it everywhere by my home directory.
> Once the above install is done, you should be able to test it by
> running commands like this from your mythfrontend user:
> sudo /home/mythtv/bin/mythtv-systemctl-helper.sh stop
> That command should stop mythbackend, and it should not ask you for
> authentication as sudo normally does.
It stops the backend in the sense that systemctl status mythtv-backend
reports "Active: inactive (dead)", but setup still claims the backend is
running (I wrote about it in one of my previous mail). Annoying but
without consequences (at least this is mine impression).
> If that works, then you need to make the following MythTV settings
> mythtv-setup > 1. General > Shutdown/Wakeup Options > Server halt
> sudo /home/mythtv/bin.mythtv-systemctl-helper.sh halt
sudo /home/mythtv/bin/mythtv-systemctl-helper.sh halt
> mythtv-setup > 1. General > Backend Control > Backend stop command:
> sudo /home/mythtv/bin.mythtv-systemctl-helper.sh stop
sudo /home/mythtv/bin/mythtv-systemctl-helper.sh stop
> mythtv-setup > 1. General > Backend Control > Backend start command:
> sudo /home/mythtv/bin.mythtv-systemctl-helper.sh start
sudo /home/mythtv/bin.mythtv-systemctl-helper.sh start
In my setup I don't see "Shutdown/Reboot Settings" (but can live with
> mythfrontend > Setup > General > Shutdown/Reboot Settings > Halt
> sudo /home/mythtv/bin.mythtv-systemctl-helper.sh poweroff
> mythfrontend > Setup > General > Shutdown/Reboot Settings > Reboot
> sudo /home/mythtv/bin.mythtv-systemctl-helper.sh reboot
> Please consider this to be beta software - I make no guarantees that
> it will work on your system, but it does work on mine and I would like
> to have some other people test it too.
Works on mine (at least seems to).
Thank you very much!
Janusz S. Bien
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