kali linux /etc/apt/sources.list
sudo nano /etc/apt/sources.list
deb http://http.kali.org/kali kali main contrib non-free
deb-src http://http.kali.org/kali kali main contrib non-free
deb http://security.kali.org/kali-security kali/updates main contrib non-free
deb-src http://security.kali.org/kali-security kali/updates main contrib non-free
==================
sudo apt-get update
apt-get install -y virtualbox-guest-x11
reboot
==================
apt-get update && apt-get install -y linux-headers-$(uname -r)
cp /media/cd-rom/VBoxLinuxAdditions.run /root/
chmod 755 /root/VBoxLinuxAdditions.run
cd /root
./VBoxLinuxAdditions.run
reboot
apt-get install open-vm-tools-desktop fuse
sudo apt-get update
sudo apt-get upgrade
