OK, let’s just get right to it. We both know why you’re here and you’re probably raring to get JACK and some client apps running in RT mode with low latencies as quickly as possible. Make sure you have the requisite packages: $ apt-get install kernel-package libncurses5-dev fakeroot wget bzip2 --> build-essential zlib1g-dev By the way, there’s no need to build your kernel in /usr/src or to do anything as root until the actual installation. I like to create a ~/KERNEL dir to work in: $ mkdir ~/KERNEL $ cd ~/KERNEL The next thing you’ll want to do is grab the source for desired matching versions of the kernel and the RT patch. For this post, I’ll use: 2.6.26.8. $ wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.26.8.tar.bz2 $ wget http://www.kernel.org/pub/linux/kernel/projects/rt/patch-2.6.26.8-rt16.bz2 Unpack, do some [...]