1. 卸载已经安装的Docker
yum -y remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-selinux \
docker-engine-selinux \
docker-engine
rm -rf /etc/systemd/system/docker.service.d
rm -rf /var/lib/docker
rm -rf /var/run/docker
2. 添加阿里镜像
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
3. 查看可以安装的docker版本
yum list docker-ce --showduplicates
4. 安装18.03.1
sudo yum -y install docker-ce-18.03.1.ce
5. 启动 Docker，设置开机启动
systemctl enable docker
systemctl start docker
6. 设置Docker阿里云加速器
获取阿里云镜像加速器
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
"registry-mirrors": ["https://x83mabsk.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker
