1a- Install docker on linux

on Debian

on Kali ( debian )	install docker.io ( not docker already exist in Kali ? ) docker.io is more stable then the docker-ce ( community edition)
	https://www.kali.org/docs/containers/installing-docker-on-kali/
	sudo usermod -aG docker $USER run docker command without sudo right

	https://docs.docker.com/engine/install/linux-postinstall/ Create the `docker` group. `$ sudo groupadd docker` Add your user to the `docker` group. `$ sudo usermod -aG docker $USER`
	Install on ubuntu:
	sudo apt-get install docker.io
	Install on Centos ( + start the service )
	yum install docker systemctl status docker.service -l systemctl start docker.service systemctl is-enable docker