https://it42.cc/2019/09/23/%e0%b8%81%e0%b8%b2%e0%b8%a3%e0%b9%80%e0%b8%9b%e0%b8%a5%e0%b8%b5%e0%b9%88%e0%b8%a2%e0%b8%99-default-mirror-%e0%b8%82%e0%b8%ad%e0%b8%87-kali-linux/