# Install CDE
cd cdesktopenv-code/cde/admin/IntegTools/dbTools
sudo ./installCDE -s /path/to/cdesktopenv-code/cde/
# Run the linux post install script (this does have a couple of errors reported)
cd cdesktopenv-code/cde/admin/IntegTools/post_install/linux
sudo ./configRun -e
# It seems this dir needs to be writable by every user of CDE
sudo chmod -R a+rwx /var/dt
# Directory required for calendar service
sudo mkdir -p /usr/spool/calendar
# Start CDE (can be typed in .xinitrc)
startx /usr/dt/bin/Xsession