Kali is security distribution popular in the Cyber security community. Especially penetration testers really love it. Kali provides a lot of security exploitation tool to test various systems like server, network, application server, database, voip etc. Kali is provided in different formats like virtual machine, iso file, usb image and container. In this tutorial we will look how to install Kali docker container in a Ubuntu box. Our host system is Ubuntu but it is the same for other distributions like Debian, Fedora, CentOS etc. Install Docker Docker have different names for different distributions because of some package name conflict. Docker name can be used for Fedora, RedHat, CentOS and other related distributions and installation can be done like below. Fedora, RedHAT, CentOS: 1 $ yum install docker Debian, Ubuntu, Mint: 1 $ apt install docker . io Start Docker Start Docker Docker works as a daemon service. In ord