Create a configuration.rb file like this:
set :hudson, "https://server/hudson"
set :project, "ProjectName"
set :certificate_pathname, "certificate.pem"
Copy your certificate into this directory and name it 'certificate.pem'
You can also add proxy server to yout configuration.rb file if you need to:
set :proxy_address, "your_proxy_address"
set :proxy_port, 80
Execute the launch script which will run rackup with nohup so it launches again after a crash.
./launch
The monitor is available at http://localhost:9292/.