powerbook ubuntu xmodmap

On my Apple Powerbook running Ubuntu natively. pyara 9 [~] % cat .xmodmaprc pointer = 1 3 2 keycode 37 = Control_L keycode 64 = Control_L keycode 105 = Super_R keycode 108 = Control_R keycode 133 = Alt_L keycode 134 = Alt_R clear control clear mod1 clear mod4 add control = Control_L add control = Control_R add mod1 = Alt_L add mod1 = Alt_R