So far we succesfully started up our machine, but we encountered a few problems.
The vagrantfile holds all the configurations of our vm. It holds this data in the form of an object that's been instantiated from the config.vm class.
This section has number attributes that you can set, this attributes are effectively the vm's settings.
Resolve the timeout warning
According to the documentation, we can fix this by increasing the config.vm.boot_timeout setting: In my case I inserted the following in the block:
config.vm.boot_timeout = 500