VirtualBox MacOS add Host-only network to Ubuntu VM
VirtualBox -> Preferences -> Network -> “+”. Should add a network interface called vboxnet0.
UbuntuVM -> Settings -> Network -> “Adapter N” -> Attached to (change to Host-only). Select vboxnet0.
In Ubuntu VM:
sudo ifconfig ethN 192.168.20.1
In MacOS:
sudo ifconfig vboxnet0 192.168.20.2
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