Title: build debian kernle package 
Subject: how to build custom kernel on debian (5.0 Lenny)
REF: http://www.debianadmin.com/step-by-step-tutorial-howto-compile-kernel-in-debian-5-0-lenny.html

# Install needed tools
aptitude install \
  kernel-package \
  ncurses-dev    \
  bzip2 \
  module-init-tools \
  initramfs-tools \
  procps \
  fakeroot

# Download source 
aptitude install install linux-source-2.6.26

# Make build dir
pushd /usr/src/

# Extract 
tar xjf /usr/src/linux-source-2.6.26.tar.bz2 
pushd linux-source-2.6.26

# copy running .config here
cp /proc/config.gz
gunzip config.gz
mv config .config

# Configure
make oldconfig
make menuconfig

make-kpkg clean
export CONCURRENCY_LEVEL=2
make-kpkg --rootcmd fakeroot --initrd --revision=custom.001 kernel_image kernel_headers

# go one directory up to see the deb package
popd

# Install the new kernel.
dpkg -i *.deb

# Check that grub was updated
vi /boot/grub/menu.lst

# Reboot
reboot