we need

Xvfb :5 -screen 0 1280x1024x24 &
setenv DISPLAY :5
limit cputime 300

and have been known to need
Xvfb -screen 0 1280x1024x24 -ac :5 &

(set path = ($path /usr/lib64/lam/bin); lamboot -v)

setenv LAMHOME /usr/lib64/lam