When I install mac os high sierra, Mojave, Catalina, or Big Sur on my VirtualBox virtual machine. I meet an error that is can not select the target disk to install the mac os. After investigating I finally find a method to fix this issue. This article will tell you how to fix it step …
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After installing Ubuntu in VirtualBox and log in to the Ubuntu OS, I find the ubuntu os screen resolution is configured at 800*600, this is not a good screen resolution for usage. I want to change it to at least 1920*1080. After investigate I finally find the method to change it.
Oracle Cloud provides an always-free service for virtual machines, databases, and network creation & usage. It is very good news because of free usage. This article will tell you how to register an oracle always free cloud account and how to create virtual machine instances in it, it also tells you how to set up …
