Virtualbox Init

ubuntu 20

# virtualbox
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 -
echo "deb [arch=amd64] http://download.virtualbox.org/virtualbox/debian $(lsb_release -cs) contrib" | \
     sudo tee -a /etc/apt/sources.list.d/virtualbox.list
sudo apt update
sudo apt install virtualbox-6.1

sudo service virtualbox status

# extension pakc
wget https://download.virtualbox.org/virtualbox/6.1.8/Oracle_VM_VirtualBox_Extension_Pack-6.1.8.vbox-extpack
sudo VBoxManage extpack install Oracle_VM_VirtualBox_Extension_Pack-6.1.8.vbox-extpack