Installing this package enables several essential "Guest Additions" features:
```bash sudo apt-get install virtualbox-guest-dkms virtualbox-guest-dkms
Understanding virtualbox-guest-dkms: The Key to Seamless Linux Virtualization virtualbox-guest-dkms
After installation, reboot the guest VM to load the new modules. virtualbox-guest-dkms
If features stop working after an update, you can force a rebuild of the modules by running sudo dpkg-reconfigure virtualbox-guest-dkms .