If passages were removed we need to make sure that the contents in the directory /var/lib/docker/ is not preserved. The apt-get command should remove packages related to docker if they were installed. Sudo apt-get remove docker docker-engine docker.io containerd runc If you are sure you don’t have docker installed go the the installation process. This way we make sure to have a clean installation. Let’s remove some older installations of docker, just in case!. Duration 3:00 Removing old Installation and files. What is your current level of experience?Ġ voters 2 Prepare the Installation. Or you can also install Ubuntu on a virtual machine with this tutorial. If you don’t have Ubuntu installed you can follow this How to Install Ubuntu Tutorial. Note: For This procedure we will use Ubuntu Focal 20.04 (LTS). How to search and run images from docker hub.How to install Docker images and run them locally.How to enable Docker to start automatically at system boot.How to install Docker from the regular Ubuntu repository.In this tutorial we will be focusing on the Docker Engine. This process includes provisioning, deployment, scaling (up and down), networking, load balancing and more. Orchestration: If we need to deploy many containers a technology used to manage many containers is needed. For Docker, this refers to the docker command and acts like a client and the dockerd daemon which acts as a server. What do we need to create and work with containers?īuilder: Its a tool used to build, in the case of Docker is a DockerFile which is a text document that contains all the commands a user could call on the command line to assemble an image.Įngine: It is an application used to run a container. This allows us to deploy applications seamlessly across environments. How does it work?, well it bundles an application’s code together with the related configuration files and libraries, and with the dependencies required for the app to run. Overview Duration 2:00 What is a container?Ĭontainers are a solution to the problem of how to get software to run reliably when moved from one computing environment to another.
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