Package 'docker' is not installed, so not removed Package 'docker-engine' is not installed, so not removed apt-get remove docker docker-engine docker.io containerd runc If you have any older version of docker engine then it is always recommended to first uninstall that version and its related components using apt-get remove docker docker-engine docker.io containerd runc command.
#Docker desktop for ubuntu 20.04 how to#
How to Install and Use Docker on Ubuntu 20.04 LTSĪlso Read: How to Install and Use Docker on Debian 11 Step 1: PrerequisitesĪ) You should have a running Ubuntu 20.04 LTS Server.ī) You should have sudo or root access to run privileged commands.Ĭ) You should have apt or apt-get utility available in your System.ĭ) You should also have curl, gpg and tee utility installed in your System. By default, docker always pulls images from Docker Hub Repo. What is Docker Hubĭocker Hub is a public repository where latest docker images of various applications are stored. Docker is known to be the Container Management Solution which effectively create, manage and destroy containers.
This has revolutionized the entire thinking and led to the creation of something called containers in which application can run independently without having the need to create OS Infrastructure. But over the time, developers realized that if the end goal is to deploy and run an application then why wasting resources in creating OS and its processes which might not helping the end application. Before the rise of Docker Containers, the concepts of virtual machine were quite popular to run multiple applications in different virtual machines, all running on a single host machine. In this article, I will take you through the steps to install and use docker on Ubuntu 20.04.
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