Ethical hacking | lesson 01 | Lab setup 

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sudo apt update && sudo apt upgrade -y
sudo reboot now
sudo apt-get install linux-headers-$(uname -r) -y
devices = insert guest addition cd image then click
file manager = vbox_gas
copy files paste in document directory
cd Documents
chmod 777 vboxlinuxadditions.run
sudo ./vboxlinuxadditions.run
sudo reboot now
dpkg -l | grep virtualbox-guest