In order to install Epidermis, simply run this command from the terminal:

python setup.py install

You will need root access, so on a lot of systems, you should prefix this command with sudo:

sudo python setup.py install

The installer uses distutils, extensive documentation for distutils can be found at:
http://docs.python.org/install/

Epidermis is released under the GPL v2.

Debian packages for Ubuntu are available and recommended over installing Epidermis manually.