First Install Gentoo Linux
Then, install openMosix: type "emerge sys-apps/openmosix-user", which will install an openMosix kernel source tree in /usr/src/linux along with the openMosix userland tools.
Michael Imhof, aka tantive, keeps Gentoo current for the latest openMosix version.
Daniel Robbins, the President/CEO of Gentoo Technologies, Inc. and the creator of Gentoo Linux, wrote the artitles we use as our Introduction to openMosix Clusters.