neptune is the web server for, serving both the main web site, and the userdirs.

User Dirs

If you have CAL account foo, you can control your userdir by putting your data in a folder named ~/www. This directory will be visible to the public as

Note that data within your userdir will only be visible to the outside world if it is world-readable (and the directory containing it is world-executable).


neptune started life as a shell server, but is no longer used in that capacity.