Posted by Diego Assencio on 2015.10.15 under Linux (Audio)
If you are using a Linux distribution which manages sound using
can still use amixer
to change the master volume or to mute/unmute your speakers via command line.
As an example, to decrease the master volume by 5%, run:
amixer -D pulse sset Master 5%-
Similarly, to increase the master volume by 5%, run:
amixer -D pulse sset Master 5%+
To mute your speakers, run (you may also use
amixer -D pulse sset Master mute
Finally, you may toggle the "muted" state of your speakers
with this command:
amixer -D pulse sset Master toggle
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