install-on-centos7

快速安装（不建议）

sudo sh -c "$(curl -fsSL https://get.docker.com)"

安装（方式一）

见https://docs.docker.com/install/linux/docker-ce/centos/

echo start to install docker and docker-compose...

sudo yum remove -y docker docker-ce docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate docker-logrotate docker-engine
echo deleted
sudo yum install -y yum-utils device-mapper-persistent-data lvm2
sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
# sudo yum list docker-ce --showduplicates

sudo yum install -y docker-ce

sudo systemctl enable docker
sudo systemctl start docker
sudo service docker restart
sudo docker run hello-world

安装（方式二）

sudo yum install -y wget
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo

yum list docker-ce --showduplicates | sort -r

yum -y install docker-ce-18.06.1.ce-3.el7
# or  version 3:26.0.0-1.el7
# yum -y install docker-ce-26.0.0-1.el7

systemctl enable docker && systemctl start docker
docker --version