Xmodmap to make Right Alt = Alt, Menu Button = Super, Right Control = Hyper

.Xmodmap

! Use these commands to determine original values:
!
! xmodmap -pke
! xmodmap -pm

! original values
!
! keycode  37 = Control_L NoSymbol Control_L
! keycode  64 = Alt_L Meta_L Alt_L Meta_L
! keycode 109 = Control_R NoSymbol Control_R
! keycode 113 = Alt_R Meta_R Alt_R Meta_R
! keycode 115 = Super_L NoSymbol Super_L
! keycode 116 = Super_R NoSymbol Super_R
! keycode 117 = Menu NoSymbol Menu
! keycode 125 = NoSymbol Alt_L NoSymbol Alt_L
! keycode 127 = NoSymbol Super_L NoSymbol Super_L
! keycode 128 = NoSymbol Hyper_L NoSymbol Hyper_L
! keycode 156 = NoSymbol Meta_L NoSymbol Meta_L

! Set left alt = Meta_L
keycode 64 = Meta_L

! Set right alt =  Alt_R
keycode 113 = Alt_R

! Set right control = right hyper
keycode 109 = Hyper_R

! Set menu key = Right Super
keycode 117 = Super_R

clear control
clear mod1
clear mod2
clear mod3
clear mod4
clear mod5

add control = Control_L
add mod1    = Meta_L
add mod2    = Num_Lock
add mod3    = Alt_R
add mod4    = Super_R
add mod5    = Hyper_R