![]() We will not be discussing many of the new features of CentOS 8 that function with Docker, as RedHat has decided not to provide official support for Docker. These docker packages communicate via established network channels. Thanks to containerization, we can quickly launch applications on different private cloud host platforms utilizing small bundles which contain all the needed packages, libraries and configuration file to run an application. It has become very popular and used almost everywhere in our daily lives. ![]() ![]() Docker is a set of virtualization tools that allows us to create, test, and deploy containerized applications quickly and easily on a dedicated server. This happens when that specific version of containerd.io is not yet added to the CentOS repository.Before we begin, let’s describe what Docker is. Otherwise, if it fails that the docker-ce requires containerd.io version to be higher than a specific version, then you can fix this by installing the containerd.io manually. If you have successfully installed Docker, then you can skip this step and proceed to configure Docker section. Next, install Docker by running the command: sudo yum install docker-ce docker-ce-cli containerd.io This will remove conflicting podman and buildah: sudo yum erase podman buildah In case that you are getting an error that containerd.io conflicts with runc, or similar below, Now that we have our prerequisites installed, we are now ready to setup Docker. To add, install the yum-utils first and then add the repo. sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engineĪdd the Docker repository in your CentOS machine. To uninstall old docker, run the command below. If you have an older version of Docker, uninstall it first.
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