To install xphoon just follow these instructions.
sudo apt-get install xphoon
Which will install xphoon and any other packages on which it depends.
|Maintainer||Ricardo Mones <email@example.com>|
|Home page||http://xphoon.sourceforge.net/ role::program, scope::utility, uitoolkit::xlib, use::timekeeping, x11::application, x11::screensaver|
|Description||sets the root window to a picture of the moon phase, including the partial lighting of the dark side by reflected earthlight. Picture is a monochrome dithered bitmap which is calculated via mathematical formulae. It keeps running on background updating the picture accordingly as time goes by.|