elvis

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E0BD7612

add to your "sources.list" /etc/apt/sources.list.d/debian.list (on a real debian distribution)
deb http://ppa.launchpad.net/cae-team/ppa/ubuntu/ lucid main
deb-src http://ppa.launchpad.net/cae-team/ppa/ubuntu/ lucid main
#deb http://ftp.debian.org/debian/ sid main contrib non-free #non-free is needed for libparmetis3.1 (this line is only necessary on some debian based distibutions...