ubuntu1604 安裝virtualbox

1.下載主程式
https://www.virtualbox.org/wiki/Linux_Downloads

VirtualBox 5.1.26 Oracle VM VirtualBox Extension Pack  


2./etc/apt/sources.list 內加

  deb http://download.virtualbox.org/virtualbox/debian xenial contrib

3.can add these keys with

    wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add -

   wget -q https://www.virtualbox.org/download/oracle_vbox.asc -O- | sudo apt-key add -

4. dpkg -i virtualbox-5.1_5.1.26-117224-Ubuntu-xenial_amd64.deb


5. Extension Pack  
     
     press
    
    Oracle_VM_VirtualBox_Extension_Pack-5.1.26-117224.vbox-extpack


reference from https://www.virtualbox.org/wiki/Linux_Downloads
                         https://www.phpini.com/linux/debian-ubuntu-install-virtualbox-5-1-14