快速安装docker

本方法适用于红帽系的linux

#安装yum源
yum-config-manager --add-repo https://mirrors.ustc.edu.cn/docker-ce/linux/centos/docker-ce.repo
yum makecache fast
#安装docker
yum install docker-ce -y
#设置开机自启
systemctl enable docker
#启动docker
systemctl start docker
#配置加速
cat <<EOF > /etc/docker/daemon.json
{
  "registry-mirrors": [
    "https://registry.docker-cn.com"
  ],
  "exec-opts": ["native.cgroupdriver=systemd"]
}
EOF
#重启docker
systemctl restart docker