详解CentOS7用阿里云Docker Yum源在线安装Docker 17.03.2

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

# Set up repository
sudo yum install -y yum-utils device-mapper-persistent-data lvm2

# Use Aliyun Docker
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum list docker-ce --showduplicates

# Install docker
# on a new system with yum repo defined, forcing older version and ignoring obsoletes introduced by 17.06.0
yum 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

sudo yum install docker-ce-18.03.0.ce

sudo yum install docker-ce

# Start docker service
systemctl enable docker
systemctl start docker