1) Install nginx. Look at /etc/nginx/sites-enabled/default, notice entry "root"
2) Copy file "default" to /etc/nginx/sites-enabled/ and correct entry root to old value (from 1)
Restart nginx: /etc/init.d/nginx restart
Browse to http://server-address/ and you will see nginx-welcome-page
3) Copy *.m to your GT.m routine-directory
4) Run FCGIINIT (will only set a global):
mumps -run FCGIINIT
5) Run FCGI (will run infinite):
mumps -run FCGI
6) Browse to http://server-address/HELLOWORLD.m and you will see...