lasolutions.blogg.se

In this step, import the Docker’s repository GPG key on your system by running the below-mentioned command: $ curl -fsSL | sudo gpg -dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg

The following output will print after installing all the above-required Docker packages. Now, install some important required packages for the support the of HTTPS method by using the following command: $ sudo apt install -y apt-transport-https ca-certificates curl gnupg2 software-properties-common Refresh the apt packages repository list by using the below-given command: $ sudo apt update So, run the below-mentioned command to uninstall the older docker version: $ sudo apt remove -y docker docker-engine docker.io containerd runc Step 2: Install important Docker’s packages However, the uninstallation process would not remove existing docker images, files, and networks that are present in the /var/lib/docker/ directory. If you installed Docker on your system before then, first you need to uninstall all older packages along with the dependencies called docker-engine or docker. The installation of Docker will complete into the number of steps, which are provided below: Step 1: Remove old Docker packages Installation of Docker engine on Debian 11 bullseye distribution

Containers are much more efficient and faster than any other virtual machine because they are executable that serves the applications rather than running an entire operating system. Dockers allow developers to easily ship, pack and run any application along with all dependencies in a standardized lightweight and portable container that can run virtually anywhere. It provides support to create and run applications in isolated ‘containers’. Docker is an open-source and most popular platform nowadays.