I have a Logitech K270 but I can't get the volume button shortcuts to work. Actually when I click them, I see the popup on the top left of the window but the volume is not changed...
g@g-on-linux:~/LendLib$ uname -a
Linux g-on-linux 3.5.0-25-generic #39-Ubuntu SMP Mon Feb 25 18:26:58 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
I am running Xubuntu - Xfce 4.10.