install
apt-get install alien fakeroot
fakeroot alien -k kernel-2.6.27-chistyakov.1.x86_64.rpm
sudo dpkg -i kernel_2.6.27-chistyakov.1_amd64.deb
sudo update-initramfs -c -k 2.6.27-chistyakov.1
sudo update-grub
uninstall
sudo dpkg -r kernel
sudo rm -fr /lib/modules/2.6.27-chistyakov.1
sudo update-initramfs -d -k 2.6.27-chistyakov.1
sudo update-grub
via
Install kernel from rpm on debian - OpenVZ Wiki.