# We recommend always using fully qualified image names including the registry # NOTE: RISK OF USING UNQUALIFIED IMAGE NAMES # For more information on this configuration file, see nf(5). | sudo tee /etc/apt//devel:kubic:libcontainers:unstable.list > /dev/null
If we need an old Ubuntu 12.04 we can use the tag 12.04 to download it (sudo docker pull ubuntu:12.| sudo tee /etc/apt/keyrings/devel_kubic_libcontainers_unstable.gpg > /dev/nullĮcho \ "deb \ Tags are used if you want to install a specific version. You see the matching command on the right side, and sometimes you can work with tags. You find them here: /search?q=&type=image&category=os This is an example you can download many different operating systems. Sudo apt-get install docker-ce docker-ce-cli containerd.io "deb \ $(lsb_release -cs) stable" | sudo tee /etc/apt//docker.list > /dev/null You can follow the official guide ( /engine/install/debian/ ) or follow these steps here.Ĭurl -fsSL | sudo gpg -dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg Start with a guide like this: /metasploit/metasploitable-2-exploitability-guide/, and you can learn penetration testing for free and everywhere. Now, you can sharpen your penetration testing skills. You can do this: As the main system, you install a Kali Linux and run a Metasploitable2 in a Docker container. Let us say you do not have the financial support to buy a powerful machine, and cloud does not work either.
Docker works differently, and it is not a problem to run 10 Docker containers on a single machine with 4 cores. For a VM, you need dedicated hardware like a core and 4 GB RAM. You can use VMs to a different OS on your system, but Docker is more efficient and very fast. I use Ubuntu, but you can follow this guide with Kali.ĭocker is a unique software (or container), and it simulates an entire operating system. This article shows a small introduction to Docker. under construction, installation works but not accessing via external access-
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