For upgrade instructions please read:
http://pythonhosted.org/RhodeCode/upgrade.html

To create a rhodecode configuration file run the following commands:
%%PREFIX%%/bin/paster make-config RhodeCode %%PREFIX%%/etc/rhodecode/production.ini
%%PREFIX%%/bin/paster setup-rhodecode %%PREFIX%%/etc/rhodecode/production.ini

Further instructions for setup:
http://packages.python.org/RhodeCode/setup.html#setup