阿里云服务器安装docker报timeout，阿里云服务器安装Docker时遇到timeout问题及解决方案详解

阿里云服务器安装Docker时出现timeout问题，可能因网络延迟或配置不当导致。解决方案包括检查网络连接、更新系统时间、调整Docker安装脚本参数等。详细步骤和解释可参考相关教程。

在云计算和容器化技术日益普及的今天，Docker已经成为一款备受关注的开源容器引擎，许多开发者和企业都将Docker作为容器化部署的首选工具，在阿里云服务器上安装Docker时，部分用户可能会遇到timeout问题，本文将针对阿里云服务器安装Docker时遇到timeout问题进行详细分析，并提供相应的解决方案。

问题现象

在阿里云服务器上安装Docker时，部分用户会遇到以下timeout问题：

1、使用Docker官方安装脚本安装Docker时，出现以下错误信息：

curl: (7) Failed to connect to index.docker.io:443 after 10 attempts

2、使用pip安装Docker时，出现以下错误信息：

Collecting docker
  Downloading docker-20.10.6-py2.py3-none-any.whl (4.2 MB)
    100% |***************************| 4.2 MB  4.3 MB/s    00:01
Collecting docker-pycreds<0.4,>=0.3.0
  Downloading docker-pycreds-0.3.0-py2.py3-none-any.whl (8.2 kB)
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Collecting requests<3.0.0,>=2.23.0
  Downloading requests-2.25.1-py2.py3-none-any.whl (61 kB)
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Collecting urllib3<1.26,>=1.21.1
  Downloading urllib3-1.25.10-py2.py3-none-any.whl (137 kB)
    100% |***************************| 137 kB  2.9 MB/s    00:00
Collecting certifi>=2017.4.17
  Downloading certifi-2020.6.20-py2.py3-none-any.whl (150 kB)
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Collecting idna<3,>=2.5
  Downloading idna-2.10-py2.py3-none-any.whl (58 kB)
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Collecting chardet<4,>=3.0.2
  Downloading chardet-3.0.4-py2.py3-none-any.whl (137 kB)
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Collecting requests[security]
  Downloading requestsSecurity-2020.10.4-py2.py3-none-any.whl (171 kB)
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Collecting requests[security]+Cryptography>=2.6;python_version<"3.7"
  Downloading requestsSecurityCryptography-2020.10.4-py2.py3-none-any.whl (224 kB)
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Collecting requests[security]+PyOpenSSL>=19.0.0;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityPyOpenSSL-2020.10.4-py2.py3-none-any.whl (133 kB)
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Collecting requests[security]+ca-certificate>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCaCertificate-2020.10.4-py3-none-any.whl (224 kB)
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Collecting requests[security]+cryptography>=2.6;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCryptography-2020.10.4-py2.py3-none-any.whl (224 kB)
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Collecting requests[security]+idna<3,>=2.5;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityIdna-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+chardet<4,>=3.0.2;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityChardet-2020.10.4-py2.py3-none-any.whl (133 kB)
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Collecting requests[security]+urllib3<1.26,>=1.21.1;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityUrllib3-2020.10.4-py2.py3-none-any.whl (150 kB)
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Collecting requests[security]+certifi>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCertifi-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+pyOpenSSL>=19.0.0;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityPyOpenSSL-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+ca-certificate>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCaCertificate-2020.10.4-py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+cryptography>=2.6;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCryptography-2020.10.4-py2.py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+idna<3,>=2.5;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityIdna-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+chardet<4,>=3.0.2;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityChardet-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+urllib3<1.26,>=1.21.1;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityUrllib3-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+certifi>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCertifi-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+pyOpenSSL>=19.0.0;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityPyOpenSSL-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+ca-certificate>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCaCertificate-2020.10.4-py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+cryptography>=2.6;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCryptography-2020.10.4-py2.py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+idna<3,>=2.5;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityIdna-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+chardet<4,>=3.0.2;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityChardet-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+urllib3<1.26,>=1.21.1;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityUrllib3-2020.4.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+certifi>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCertifi-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+pyOpenSSL>=19.0.0;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityPyOpenSSL-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+ca-certificate>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCaCertificate-2020.10.4-py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+cryptography>=2.6;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCryptography-2020.10.4-py2.py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+idna<3,>=2.5;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityIdna-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+chardet<4,>=3.0.2;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityChardet-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+urllib3<1.26,>=1.21.1;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityUrllib3-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+certifi>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCertifi-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+pyOpenSSL>=19.0.0;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityPyOpenSSL-2020.10.4-py2.py3-none-any.whl (133 kB)
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Collecting requests[security]+ca-certificate>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCaCertificate-2020.10.4-py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+cryptography>=2.6;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCryptography-2020.10.4-py2.py3-none-any.whl (224 kB)
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Collecting requests[security]+idna<3,>=2.5;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityIdna-2020.10.4-py2.py3-none-any.whl (133 kB)
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Collecting requests[security]+chardet<4,>=3.0.2;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityChardet-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+urllib3<1.26,>=1.21.1;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityUrllib3-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+certifi>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCertifi-2020.10.4-py2.py3-none-any.whl (150 kB)
    100% |***************************| 150 kB  3.0 MB/s    00:00
Collecting requests[security]+pyOpenSSL>=19.0.0;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityPyOpenSSL-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+ca-certificate>=2017.4.17;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCaCertificate-2020.10.4-py3-none-any.whl (224 kB)
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Collecting requests[security]+cryptography>=2.6;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityCryptography-2020.10.4-py2.py3-none-any.whl (224 kB)
    100% |***************************| 224 kB  3.0 MB/s    00:00
Collecting requests[security]+idna<3,>=2.5;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityIdna-2020.10.4-py2.py3-none-any.whl (133 kB)
    100% |***************************| 133 kB  3.0 MB/s    00:00
Collecting requests[security]+chardet<4,>=3.0.2;python_version>"2.7.9" and < "3.7"
  Downloading requestsSecurityChardet-2020.10.4-py2.py3-none-any.whl (133 kB