Make your Ubuntu Virtualbox increase it's screen resolution on Windows

You might find out that installing Ubuntu on a Virtualbox on Windows would give your Ubuntu an unpleasant screen resolution. To remedy this, follow these steps after installing Unbuntu on VirtualBox.

1. Make sure you login with an administrative rights.
2. Open the Terminal. (can be opened by pressing 'Ctrl' + 'Alt' + 'T')
3. Type this command "sudo apt-get install virtualbox-guest-dkms" then press Enter.
4. After installation is complete, restart your Ubuntu on the Virtualbox.

UPDATE (for Ubuntu 14.04 LTS):
On step 3, you would run this command "sudo apt-get install virtualbox-guest-x11" instead.


After restart, you would notice that your Ubuntu screen resolution would now adopt to your Host OS screen.