host# wget http://kent.dl.sourceforge.net/sourceforge/user-mode-linux/uml-patch-2.4.26-3.bz2
host# mv  uml-patch-2.4.27.bz2 linux-2.4.27
host# cd linux-2.4.26
host# bzcat uml-patch-2.4.27.bz2 | patch -p1
# usare gcc-3.3 per compilare il 2.4.27
host# make manuconfig ARCH=um
host# make dep ARCH=um
host# make linux ARCH=um
host# make modules ARCH=um
host#  ./linux ubd0=Debian-3.0r0.ext2 devfs=mount