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stay Mac Installation on VirtualBox And Ubuntu20.04 virtual machine

problem 1 adjustment Mac On Ubuntu The display interface size of the virtual machine

stay mac Not found under the operating system virtualBox Enhancement tool , Auto resize interface .
By setting Ubuntu Set the display resolution and zoom ratio in the system , As shown in the figure below .

problem 2 VirtualBox newspaper Failed to save host network interface parameter. error

In accordance with Install virtualbox explain , adopt VirtualBox Menu for [File]->[Host Network Manager] Setup adapter vboxnet0 Of IPv4 Address time , Report errors , Here's the picture .

The solution is ： Need to create /etc/vbox/networks.conf file , And add the following contents to the file ：

* 192.168.34.1/24

Reference resources