Using SSH makes it easier and more effective to manage your virtual machines. After you set it up, you can open a terminal on your host computer, like PowerShell on Windows or Terminal on macOS/Linux, ...
If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.
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