<Fn><F2> and <Fn><Fn><F3> without effect

[John Hupp]

On 5/14/2014 4:54 PM, farinet at arcor.de wrote:
> Ok, my Samsung is a problematic device for linux but BrightnessUp and
> BrightnessDown should work ;)
>
> I checked with xev and the keys show correctly F86brightnessup -down.
> Now, i thought that would be automatically related to xbrightness -inc
> respectively -dec. But obviously it isn't.
>
> Btw, i've the same problem with volume keys.
>
> Where and how can i set this in lubuntu? Vaguely i remember the keyboard
> settings of gnome 2 ...
>
> TIA.
>

The file to edit is ~/.config/openbox/lubuntu-rc.xml.  That covers 
per-user settings.  I don't know of a way to solve it globally for all 
users.

The most comprehensive single resource I know about for dealing with 
special keys is https://help.ubuntu.com/community/MultimediaKeys