First open your /etc/apt/sources.list file in Leafpad by typing "sudo leafpad /etrc/apt/sources.list" in terminal and entering your password.
go to the liquorix home page
Add these two lines to your sources.list and save the changed file.
deb http://liquorix.net/debian sid main
next, add the signing keyring as root.
apt-get install '^liquorix-([^-]+-)?keyring.?'
Enter "exit" at the prompt to exit root and close the terminal.
Now go to Synaptic, click "Reload" to add the new repos for the Liquorix kernel. then type
In the search box. Mark the 2.6.37 kernel and headers for installation and install them.
After installing the kernel, you should run sudo update-grub in terminal. The kernel install procedure
should update grub automatically, but it does not hurt to make sure.
Now reboot your system and enjoy your Liquorix kernel.
I just did this and am posting this how-to from my liquorix updated WattOS installation.