进入阿里云的官网，登陆之后搜索docker

sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["https://xxx.mirror.aliyuncs.com"]
}
EOF
sudo systemctl daemon-reload
sudo systemctl restart docker

如果重启出现报错，报错信息: Job for docker.service failed because the control process exited with error code. See "systemctl status docker.service" and "journalctl -xe" for details.

可能版本内核没问题 还是这样的话，就是容器引擎失败。

1. 修改 /etc/docker/daemon.json
   { "storage-driver": "devicemapper" }
2. 修改 /etc/sysconfig/docker-storage
   DOCKER_STORAGE_OPTIONS="--selinux-enabled --log-driver=journald --signature-verification=false"

如果修改了其他加速源，则删除/etc/sysconfig/docker-storage里的内容