base lettuce setup lettuce webdrive
You may already have pip and/or nose installed. They are required to install/run the framework.
[sudo] easy_install pip
[sudo] pip install -r setup.pip
Download the zip from http://code.google.com/p/chromedriver/downloads/list, unzip and move chromedriver executable into your path, i.e.:
mv ~/Downloads/chromedriver /usr/local/bin
Assuming you have a features directory, this command will run all of the .feature files in your features directory.
lettuce features