Installing Virtualbox Guest Additions on Ubuntu

Follow these steps to install the Guest Additions on your Ubuntu virtual machine:

1. Login as ubuntu;

2. Click on Applications/System/Terminal (or on Applications/Terminal, if you are using the 6.06.1 Dapper Drake release);

3. Update your APT database with sudo apt-get update, and typing your password, if requested;

4. Install the latest security updates with sudo apt-get upgrade;

5. Install required packages with sudo apt-get install build-essential module-assistant;

6. Configure your system for building kernel modules by running sudo m-a prepare;

7. Click on Install Guest Additions… from the Devices menu, then choose to browse the content of the CD when requested.

8. Run sudo sh /media/cdrom/VBoxLinuxAdditions.run, and follow the instructions on screen.