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I'm a beginner to Ubuntu. I'm using Ubuntu 20.04 on VirtualBox. I need to know about the status of my 3D acceleration. for this, I tried to use this command line:

/usr/lib/nux/unity_support_test -p

but this message appears: " no such file or directory ".

Would you please help me step by step to resolve it?

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It's because you don't have unity installed.

You need to follow a different process to figure out if your VirtualBox 3D acceleration is working.

First install mesa-utils with sudo apt install mesa-utils.

Once the installation is done, run glxinfo | grep 'renderer string'.

That will return you the renderer string, which will tell you whether your virtual machine's OS is using VirtualBox's 3D acceleration.

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  • Mine showed 'OpenGL renderer string: SVGA3D; build: RELEASE; LLVM;' – Seunghoon Jun 1 '20 at 1:22

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