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Update-initramfs: Generating /boot/initrd.img-4.15.0-55-generic VirtualBox Guest Additions: Building the modules for kernel 4.15.0-55-generic. VirtualBox Guest Additions: /sbin/rcvboxadd quicksetup all VirtualBox Guest Additions: /sbin/rcvboxadd quicksetup VirtualBox Guest Additions: To build modules for other installed kernels, run VirtualBox Guest Additions: Building the VirtualBox Guest Additions kernel Uncompressing VirtualBox 6.0.10 Guest Additions for Linux. Then you will need to enter your password in order to install the guest additions. If your host OS already has the CD image, then you will be asked if you want to run the software. Then in the VirtualBox window menu bar, select Devices > Insert Guest Additions CD image.
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Next, prepare Linux Mint for building kernel module with the following command. sudo apt install build-essential module-assistant After that, run the following command to install required packages for building kernel modules. Please note that if a new Linux kernel is installed in the upgrade process, then you need to reboot Linux Mint virtual machine. Log into Linux Mint (guest OS) and run the following command in a terminal window to update software packages. How to Install Virtualbox Guest Additions in Linux Mint
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The screen resolution of guest OS can be automatically adjusted and 3D graphics can be accelerated.
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