阿里云ECS 无法使用composer update

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原创最新推荐文章于 2026-08-14 14:38:27 发布 4.5k 阅读 AI 写同款· GEO 优化 ›

Ubuntu 22.04 Composer 安装故障诊断与实战指南 Composer 是 PHP 生态的核心依赖管理工具，其本质是一个需严格匹配运行环境的 PHAR 可执行归档。安装失败往往并非网络或命令错误，而是系统层（unzip、ca-certificates）、PHP 层（allow_url_fopen、disable_functions）与 Composer 自身策略（如 2.5 版本强制跳转、高并发限流）三者耦合失配所致。尤其在 Ubuntu 22.04 + PHP 8.1 环境中，CA 证书过期和 proc_open 被禁用是两大高频‘隐形杀手’。本文聚焦真实运阅读详情

使用阿里云ecs，运行composer update，更新到一半，总是会提示：

   Downloading: 100%
    Failed to download 2amigos/yii2-ckeditor-widget from dist: The "https://api.github.com/repos/2amigos/yii2-ckeditor-widget/zipball/023eb29fedfc3c3121c17688ed237e8688f5eb50" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Name or service not known
failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known
    Now trying to download from source
  - Installing 2amigos/yii2-ckeditor-widget (1.0.4)
    Cloning 023eb29fedfc3c3121c17688ed237e8688f5eb50

	
	 Failed to download 2amigos/yii2-date-time-picker-widget from dist: The "https://api.github.com/repos/2amigos/yii2-date-time-picker-widget/zipball/1248491c959d7080ab45c5284429e3d9222ed282" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Name or service not known
failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known
    Now trying to download from source

	php -r  "getaddrinfo('api.github.com');" | php

但ping api.github.com 却是可以ping得通，而一开始可以访问，到后来却无法下载。奇怪的事情。

在linode vps上使用composer update从来都没遇到任何问题。国内的VPS各种

- Installing yiisoft/yii2 (2.0.4)
    Downloading: 100%
    Downloading: 100%
    Downloading: 100%
    Failed to download yiisoft/yii2 from dist: The "https://api.github.com/repos/yiisoft/yii2-f                      ramework/zipball/726867caee3f23aa7a6975c801e64b6021e14f86" file could not be downloaded: php_ne                      twork_getaddresses: getaddrinfo failed: Name or service not known
failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known
    Now trying to download from source
- Installing yiisoft/yii2 (2.0.4)
    Cloning 726867caee3f23aa7a6975c801e64b6021e14f86