If in /var/log/vboxadd-install.log you've the following error: The most common reason why mounting shared folder doesn't work may related to building Guest Additions module which failed. This assumes that you've already VBoxGuestAdditions installed (as shown above). If above didn't work, here are more sophisticated steps to fix it.
INSTALL GUEST ADDITIONS VIRTUALBOX LUBUNTU LINUX INSTALL
If you can't find it, check by aptitude search virtualbox.ĭebian: sudo apt-get -y install build-essential module-assistant virtualbox-ose-guest-utils Ubuntu: sudo apt-get -y install dkms build-essential linux-headers-$(uname -r) virtualbox-guest-additions-iso
![install guest additions virtualbox lubuntu linux install guest additions virtualbox lubuntu linux](https://i.ytimg.com/vi/EDVmsfIX1J4/maxresdefault.jpg)
Install Guest Additions (this depends on the operating system).
![install guest additions virtualbox lubuntu linux install guest additions virtualbox lubuntu linux](https://linuxiac.com/wp-content/uploads/2021/07/ubuntu-with-virtualbox-25.jpg)
Maybe you're just missing the kernel header files. vagrant ssh -c "cat /var/log/vboxadd-install.log"
![install guest additions virtualbox lubuntu linux install guest additions virtualbox lubuntu linux](https://linuxhint.com/wp-content/uploads/2020/04/37-4-1140x633.png)
If you're using Vagrant (OS X: brew cask install vagrant), run: vagrant plugin install vagrant-vbguest You're using share folders, so you need to install VirtualBox Guest Additions inside your virtual machine to support that feature.