Docker

Installation

CentOS

Get Docker Engine - Community for CentOS - Normal

sudo yum remove docker                   docker-client                   docker-client-latest                   docker-common                   docker-latest                   docker-latest-logrotate                   docker-logrotate                   docker-engine
sudo yum install -y yum-utils   device-mapper-persistent-data   lvm2
sudo yum-config-manager     --add-repo     https://download.docker.com/linux/centos/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io -y
sudo systemctl start docker
sudo systemctl status docker
sudo docker run hello-world

# When You Are In China
sudo yum remove docker                   docker-client                   docker-client-latest                   docker-common                   docker-latest                   docker-latest-logrotate                   docker-logrotate                   docker-engine
sudo yum install -y yum-utils   device-mapper-persistent-data   lvm2
sudo yum-config-manager     --add-repo     https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo
sudo sed -i ‘s/download.docker.com/mirrors.ustc.edu.cn\/docker-ce/g‘ /etc/yum.repos.d/docker-ce.repo
sudo yum install docker-ce docker-ce-cli containerd.io -y
sudo systemctl start docker
sudo systemctl status docker
sudo bash -c ‘sudo cat > /etc/docker/daemon.json <<EOF
{
  "registry-mirrors": ["https://docker.mirrors.ustc.edu.cn/"]
}
EOF‘
sudo systemctl restart docker
sudo docker info
sudo systemctl status docker
sudo docker run hello-world

Docker Installation

原文：https://www.cnblogs.com/acmeryblog/p/11678246.html