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The regular way of getting access to the files now, is to allow VirtualBox to automount the shared folder (which will make it show up under /media/sf_directory_name) and then to add your regular Ubuntu user to the vboxsf group (as root # ). so the vboxsf group has full access. By adding your user to that group, you gain full access.
How can I check for permissions in VirtualBox?
If that doesn’t work, try checking the permissions on the directory: The VirtualBox Manual has a chapter on Guest Additions which has a section that covers shared folders. Also note that this question has been asked elsewhere on StackExchange, e.g. on StackOverflow:
So you wouldn’t worry about changing their permissions (which don’t make sense on the Windows host), you just give yourself access. and it is that directory that should be used to access to the Shared Folder, by putting the local user into the vboxsf group.
What causes a user to be denied access to a site?
This issue most frequently occurs when a user is deleted and re-created with the same user principal name (UPN). The new account is created by using a different Unique ID value. When the user tries to access a site collection or their OneDrive, the user has an incorrect ID.
Highlight the VM, go to Settings > Shared Folders and add folder. Start VM Go to Devices > Insert Guest Additions CD image. Allow VM to run Guest Additions installations. Restart VM. I think you missed manually creating and mounting the Host OS folder into the Guest OS. Here is how I got it working on my system.
How to add a shared folder to a VM?
People generally miss this which creates an error “Unknown file type “vboxsf”) Done! now sync files between Host and Guest OS through virtual box. Highlight the VM, go to Settings > Shared Folders and add folder. Start VM Go to Devices > Insert Guest Additions CD image.
Host: Ubuntu Server 14.04 Guest: Lubuntu Desktop 15.10 I have shared dirs on host to guest with automount option, and the directories show up in Guest OS’s just fine – /media/sf_sharename Also, the user of guest is added to vboxsf group. The problem is that all the shared dir and its contents are owned by root.