docker pull xxx 失败 超时 timeout

Error response from daemon: Get https://registry-1.docker.io/v2/: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

  1. docker在中国已经有了仓库，修改配置就行
  2. vim /etc/docker/daemon.json
  3. { “registry-mirrors”: [“https://registry.docker-cn.com”]}
  4. 重启systemctl restart docker
  5. 继续执行命令 即可
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