Guest: Ubuntu

Host: Ubuntu

1. Install Guest Additions

From the Devices toolbar, click shared folder settings. Once the guest addition is downloaded, insert the disc using Devices > Insert Guest Addition CD

2. Mount Guest Addition CD and Install

sudo mount /dev/cdrom /media/cdrom
cd /media/cdrom
sudo VBoxLinuxAdditions.run

3. Restart

4. Create Shared Folder and Mount It

Text below is shamelessly copied from Ubuntu’s official site:

Creating a shared folder

  • Create a folder on the Host computer (ubuntu) that you would like to share, for example ~/share

  • Boot the Guest operating system in VirtualBox.

  • Select Devices -> Shared Folders…

  • Choose the ‘Add’ button.
  • Select ~/share

  • Optionally select the ‘Make permanent’ option

Prepare the folder

After you run following command, the shared folder will be accessible at ~/host location.

sudo mount -t vboxsf -o uid=$UID,gid=$(id -g) share ~/host