Follow the instructions on Github to Create an Access Token in Github
By default, git credentials are not cached so you need to tell Git if you want to avoid having to provide them each time Github requires you to authenticate. On Mac, Git comes with an “osxkeychain” mode, which caches credentials in the secure keychain that’s attached to your system account.
You can tell Git you want to store credentials in the osxkeychain by running the following:-
#Mounting Raspberry Pi Drive via Vagrant
Find instructions here Vagrant. Probably not a bad idea to run the getting started and make sure it works.
With your pi drive mounted (e.g. via a microsd reader) run VBoxManage list usbhost. This will print a list of UDB devices available to VirtualBox. Look for one that matches your device, this will probably have a manufacturer name of "Generic". Once you find it, note the VendorId and ProductId.
Make a new directory and run vagrant init. This will create a Vagrantfile. Open this in a text editor and replace everything with this: