[pulseaudio-discuss] How manage volume remotely on pulseaudio

[Matt Garman]

Ssh with X forwarding: "ssh -Y user at kid".  The "-Y" is what does the X
forwarding.  Hopefully, with that you can run "pavucontrol", which is
a GUI that is loosely similar to alsamixer.


On Tue, Jan 19, 2021 at 1:52 PM Christian Schmitz <list at schweb.com.ar> wrote:
>
> Dear Matt
>         I have full access to the machine, ( i install it for my wife and kid). Sadly
> i dont know how do ssh with X forwarding. So i go for pactl.
>
> user at kid > pactl
> no valid comand
> user at kid > pactl
> Big big list of things.
>
> i get some of sucess doing:
> pactl set-sink-volume 0 32768
>
> There are some tool more friendly that pactl, with look similar to alsamixer
> or etc?
>
> Best Regards
> Christian
>
> On Tuesday 19 January 2021 15:53:03 Matt Garman wrote:
> > If you can login as your child (i.e., same user account as him) on his
> > Linux system (ssh with X forwarding), then you should be able to run
> > "pavucontrol".  Loosely speaking, pavucontrol is to Pulse Audio as
> > alsamixer is to ALSA.  It's a GUI app.  I'm not sure if there exists a
> > strictly text equivalent of pavucontrol.
> >
> > There is also a commandline tool call "pactl".  This would allow you
> > to control the Pulse Audio daemon on your child's computer without a
> > GUI (though there is a bit of a learning curve).
> >
> > On Tue, Jan 19, 2021 at 12:13 PM Christian Schmitz <list at schweb.com.ar>
> wrote:
> > > Hi everyone:
> > >
> > > I am in the office with my computer ( Linux tumbleweed), and my kid of 3
> > > years old is in another computer showing videos from youtube. Both
> > > computer have a normal user sound configuration ( each computer playing
> > > their own sound).
> > >
> > > Some videos are quieter and another are very loudness. With my first kid
> > > (10 years back) i do:
> > > 1)SSH as root
> > > 2)amixer and upper or lower the volume.
> > >
> > > Now i cant find a way to do this with pulseaudio. If i do
> > > 1)I do ssh as root successfully
> > > 2)
> > > 2.1) # amixer
> > > ALSA lib pulse.c:242:(pulse_connect) PulseAudio: Unable to connect:
> > > Connection refused
> > >
> > > 2.2) # alsamixer
> > > ALSA lib pulse.c:242:(pulse_connect) PulseAudio: Unable to connect:
> > > Conexión negada (Connection refused in spanish)
> > >
> > >
> > > 2.3) if i do sudo to the same linux user that is showing the video:
> > >
> > > user at computer> amixer
> > > XDG_RUNTIME_DIR (/run/user/0) is not owned by us (uid 1001), but by uid
> > > 0! (This could e.g. happen if you try to connect to a non-root PulseAudio
> > > as a root user, over the native protocol. Don't do that.)
> > > ALSA lib pulse.c:242:(pulse_connect) PulseAudio: Unable to connect:
> > > Connection refused
> > >
> > > How i can control the sound volume of my kid from my computer?
> > >
> > > Thanks all
> > > Christian Schmitz
> > >
> > > --
> > > Be Free, Be Linux
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> >
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>
>
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