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Please tell me how can I adjust the volume control with the help of Ctrl + Scroll up / Ctrl + Scroll down? Need a solution that would use NotifyOSD.

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You might be interested in this post Expand mouse-wheel volume control to whole panel – VRR Jun 19 '15 at 19:52

I am not sure you can do this system-wide, but Ubuntu supports adjusting the volume with the mouse wheel if you hover over the volume icon and then scroll the wheel up or down.

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I know about this, but I still want control the volume of the system-wide. – 7Azimuth Mar 31 '12 at 9:55

This is possible using instant gestures in Easystroke Gesture Recognition. Define the following buttons in Preferences ▸ Behavior ▸ Additional Buttons:

Additional Buttons

and the following actions in the Actions tab:


The commands I've shown change the volume without displaying a notification. Watch this question for better alternatives.

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This should be the accepted answer! – Angelo Geels May 13 '15 at 21:10
In this case, when you add the stroke, you need to hold the ctrl and move your mouse wheel instead of drawing some lines. It took me a while to realize what to do. – Searene Jun 30 '15 at 13:36

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