LilyPond Contributor's Guide: 2.1.2 Configuring lilydev in virtualbox

### 2.1.2 Configuring lilydev in virtualbox

VirtualBox has extra “guest additions” which can make the virtualization easier to use (full-screen, easy file sharing between host and guest operating systems, shared clipboards, etc).

1. In VirtualBox, select Devices → Install Guest Additions....
2. In Ubuntu, select Places → VBOXADDITIONS_. A file-system window will open.
3. Double-click on the ‘`autorun.sh`’ file, then select “Run in Terminal”, and enter your password when prompted.
4. Once the script is finished, “eject” the virtual CD, and then go to Devices → CD/DVD Devices and de-select ‘`VBoxGuestAdditions.iso`’.
5. Restart Ubuntu to complete the installation.

   Advanced note: If you do any kernel upgrades, you may need to re-run these VBOXADDITIONS instructions.

Some other steps may be helpful:

- In the settings for the virtual machine, set the network to Bridged mode to allow you to access shared folders on your Windows host.
- Set up any additional features, such as ‘Shared Folders’ between your main operating system and ubuntu. This is distinct from the networked share folders in Windows. Consult external documentation for this step.

  Some longtime contributors have reported that ‘shared folders’ are rarely useful and not worth the fuss, particularly since files can be shared over a network instead.

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