Mounting a VirtualBox Shared Folder in Ubuntu: A Step-by-Step Guide

VirtualBox, a popular virtualization platform, allows users to share folders between the host and guest operating systems. In this article, we will explore how to mount a VirtualBox shared folder in Ubuntu using different methods.

Automatic Mounting with VirtualBox Guest Additions

The easiest way to mount a VirtualBox shared folder is by enabling automatic mounting through the Guest Additions installation process. Once you have installed the Guest Additions on your virtual machine, restart it and log back in. You should now be able to access the shared folder from your Ubuntu guest operating system.

However, if automatic mounting does not work for your system, you may need to manually mount the shared folder by adding an entry to the fstab file. This file contains information about file systems that are mounted on boot time.

To add an entry to the fstab file, open it in a text editor and append the following line at the end:

/path/to/mountpoint vboxsf 0 0

Replace /path/to/mountpoint with the directory where you want to mount the shared folder. The directory must exist before you can mount the shared folder.

Mounting Options

If automatic mounting does not work for your system, you may need to specify mount options when mounting the shared folder. You can do this by appending options to the fstab entry. For example:

/path/to/mountpoint vboxsf defaults,comment=tomount 0 0

This will mount the shared folder with default options and add a comment to the fstab file.

Loading the vboxsf Kernel Module

On some systems, the vboxsf kernel module is not loaded at boot time. To fix this issue, you can append the following line to the /etc/modules file:

vboxsf

This will ensure that the vboxsf kernel module is loaded on boot time.

Mounting a VirtualBox shared folder in Ubuntu is a straightforward process that requires some configuration and setup. By enabling automatic mounting or manually adding an entry to the fstab file, you can access your shared folders from within your virtual machine. If you encounter issues with automatic mounting, you can try specifying mount options or loading the vboxsf kernel module.

Virtualbox shared folder in ubuntu