Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing. It is maintained and funded by Offensive Security Ltd. It was developed by Mati Aharoni and Devon Kearns of Offensive Security through the rewriting BackTrack, their previous forensics Linux distribution
If you installed Kali offline from a CD/DVD or USB (or have chosen not to connect to internet during installation), you probably have an empty sources.list file with just 2 …