pamixer: add page (#2987)

pages/common/pamixer.md

@@ -0,0 +1,32 @@
+# pamixer
+
+> A simple command-line mixer for PulseAudio.
+> Homepage: <https://github.com/cdemoulins/pamixer>.
+
+- List all sinks and sources with their corresponding IDs:
+
+`pamixer --list-sinks --list-sources`
+
+- Set the volume to 75% on the default sink:
+
+`pamixer --set-volume {{75}}`
+
+- Toggle mute on a sink other than the default:
+
+`pamixer --toggle-mute --sink {{ID}}`
+
+- Increase the volume on default sink by 5%:
+
+`pamixer --increase {{5}}`
+
+- Decrease the volume on a source by 5%:
+
+`pamixer --decrease {{5}} --source {{ID}}`
+
+- Use the allow boost option to increase, decrease, or set the volume above 100%:
+
+`pamixer --set-volume {{105}} --allow-boost`
+
+- Mute the default sink (use `--unmute` instead to unmute):
+
+`pamixer --mute`