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Reference documentation

Official Docker installation document: https://docs.docker.com/install/linux/docker-ce/centos

Aliyun Docker installation documentation: https://yq.aliyun.com/articles/110806

One click to install Docker

Https://github.com/cookcodeblog/OneDayDevOps/blob/master/components/docker/install_docker_ce.sh

Installation steps

Delete installed Docker

# Uninstall installed dockersudo yum remove docker\ docker-client\ docker-client-latest\ docker-common\ docker-latest\ docker-latest-logrotate\ docker-logrotate\ docker-selinux\ docker-engine-selinux\ docker-engine

Configure Ali Cloud Docker Yum source

# Set up repositorysudo yum install-y yum-utils device-mapper-persistent-data lvm2# Use Aliyun Dockersudo yum-config-manager-- add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

Install the specified version

View the Docker version:

Yum list docker-ce-showduplicates

When installing older versions (such as Docker 17.03.2), you need to specify the package name of the complete rpm package and add the-- setopt=obsoletes=0 parameter:

# Install docker# on a new system with yum repo defined, forcing older version and ignoring obsoletes introduced by 17.06.0yum install-y-- setopt=obsoletes=0\ docker-ce-17.03.2.ce-1.el7.centos.x86_64\ docker-ce-selinux-17.03.2.ce-1.el7.centos.noarch

Or add the version number of the rpm package name when installing a newer version of Docker (such as Docker 18.03.0):

Sudo yum install docker-ce-18.03.0.ce

Or install the latest version of Docker without adding the version number:

Sudo yum install docker-ce

Start the Docker service

# Start docker servicesystemctl enable dockersystemctl start docker

The above is the whole content of this article, I hope it will be helpful to your study, and I also hope that you will support it.

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