Installation procedure, using yum -y upgrade To upgrade Docker Engine, download the newer package file and repeat the Install Docker Engine, changing the path below to the path where you downloaded the Docker package. rpm file for the Docker version you want to install. Then browse to x86_64/stable/Packages/Īnd download the. You need to downloadĪ new file each time you want to upgrade Docker Engine.Īnd choose your version of CentOS. rpm file for your release and install it manually. If you can’t use Docker’s repository to install Docker, you can download the To upgrade Docker Engine, follow the installation instructions,Ĭhoosing the new version you want to install. Continue to Linux postinstall to allow non-privileged users to run Docker commands and for other optional configuration steps. The docker user group exists but contains no users, which is why you’re required to use sudo to run Docker commands. You have now successfully installed and started Docker Engine. When theĬontainer runs, it prints a confirmation message and exits. This command downloads a test image and runs it in a container. Install the yum-utils package (which provides the yum-config-manager Afterward, you can install and update Dockerįrom the repository. In testing and development environments, you can use automatedīefore you install Docker Engine for the first time on a new host machine, you need This is useful in situations such as installingĭocker on air-gapped systems with no access to the internet. You can install Docker Engine in different ways, depending on your needs:įrom them, for ease of installation and upgrade tasks. Images, containers, volumes, and networks stored in /var/lib/docker/ aren’t automatically removed when you uninstall Docker. It’s OK if yum reports that none of these packages are installed.
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