Try this "one liner" fortune server:

% while `true`; do fortune -s literature | cowsay | nc -l 19000 ; done
This sets up a fortune server at port 19000; you can test it with 
% nc localhost 19000
 _________________________________________
/ The better part of valor is discretion. \
|                                         |
\ -- William Shakespeare, "Henry IV"      /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||