To debug WebPagetest Private Instance at local.
ansible is required on your Mac.
$ brew install ansible$ git clone https://github.com/WPO-Foundation/webpagetest.git
$ git clone https://github.com/1000ch/webpagetest-local.git$ vagrant up --provisionSee Fixing 'vagrant up' Errors.
$ sudo /Library/StartupItems/VirtualBox/VirtualBox restartMIT.