virtualbox unbuntu install softwares

install java
sudo apt-add-repository ppa:webupd8team/java
sudo apt-get update
sudo apt-get install oracle-java8-installer

install open-terminal-here
$ sudo apt-get update && sudo apt-get upgrade
$ sudo apt-get install nautilus
$ sudo apt-get install nautilus-actions
$ nautilus-actions-config-tool * activate the command

for the case the clipboard sharing in virtualbox doesn’t work

$ sudo apt-get install virtualbox-guest-dkms