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
This is something I need quite often when I setup a new VPS or Virtual Machine in the cloud. I use multiple cloud infrastructures that includes Azure, Amazon AWS, DigitalOcean, …