This is a short guide how to setup a debian wheezy cjdns box.
echo "deb http://http.debian.net/debian wheezy-backports main" >> /etc/apt/sources.list
aptitude install systemd-sysv
aptitude install nodejs build-essential git
cd /opt
git clone https://github.com/cjdelisle/cjdns.git
cd cjdns
./do
ln -s /opt/cjdns/cjdroute /usr/bin
./cjdroute --genconf > /etc/cjdroute.conf
cp contrib/systemd/cjdns.service /etc/systemd/system/
systemctl enable cjdns