Xmonad Ubuntu 12.04 Config

gnome-session-xmonad

#! /bin/sh
exec gnome-session --session xmonad "$@"

usrsharegnome-sessionsessionsxmonad.session

[GNOME Session]
Name=Xmonad/GNOME
RequiredComponents=gnome-settings-daemon;gnome-panel;
RequiredProviders=windowmanager;
DefaultProvider-windowmanager=xmonad

usrsharexsessionsgnome-xmonad.desktop

[Desktop Entry]
Name=GNOME with Xmonad
Comment=A GNOME fallback mode session using xmonad as the window manager.
Exec=gnome-session-xmonad
TryExec=gnome-session
Icon=
Type=Application

xmonad.hs

import XMonad
import XMonad.Util.Run
import XMonad.Util.EZConfig (additionalKeys)
import XMonad.Hooks.ManageDocks
import XMonad.Hooks.ICCCMFocus
import XMonad.Config.Gnome

myManageHook = composeAll (
  [ className =? "Unity-2d-panel" --> doIgnore
  , className =? "Unity-2d-launcher" --> doFloat
  ])

main = 
  xmonad $ gnomeConfig { modMask = mod4Mask
                       , manageHook = manageDocks <+> myManageHook <+> manageHook gnomeConfig 
                       , layoutHook = avoidStruts $ layoutHook defaultConfig
                       , logHook = takeTopFocus
                       } `additionalKeys` [ ((mod4Mask, xK_d), spawn "dmenu_run -b")
                                          , ((mod4Mask, xK_Return), spawn "xfce4-terminal")
                                          ]

For those who just want to blindly paste a few lines into their console, check out my gist too, which is strongly inspired by this gist. (Hope it's ok @photex)

Cool @Tarrasch, having a readme is a good idea!