系统是centos6.5
[root@memda www]# composer global require "laravel/installer=~1.1"
Changed current directory to /root/.composer
./composer.json has been created
Loading composer repositories with package information
Updating dependencies (including require-dev)
- Installing symfony/process (v3.1.3)
Downloading: Failed
Downloading: Failed
Downloading: Failed
Failed to download symfony/process from dist: The "https://api.github.com/repos/symfony/process/zipball/04c2dfaae4ec56a5c677b0c69fac34637d815758" file could not be downloaded: failed to open stream: No route to host
Now trying to download from source
- Installing symfony/process (v3.1.3)
Cloning 04c2dfaae4ec56a5c677b0c69fac34637d815758
Installation failed, deleting ./composer.json.
The disk hosting /root/.composer is full, this may be the cause of the following exception
[RuntimeException]
Failed to clone https://github.com/symfony/process.git via https, ssh protocols, aborting.
- https://github.com/symfony/process.git
error: Failed connect to github.com:443; Operation now in progress while accessing https://github.com/symfony/process.git/info/refs
fatal: HTTP request failed
- git@github.com:symfony/process.git
ssh: connect to host github.com port 22: No route to host
fatal: The remote end hung up unexpectedly
require [--dev] [--prefer-source] [--prefer-dist] [--no-plugins] [--no-progress] [--no-update] [--update-no-dev] [--update-with-dependencies] [--ignore-platform-reqs] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--] []...总是会出现symfony/process下载失败的过程，而且完全查不到原因呀，哭哭哭哭……
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回复内容：
系统是centos6.5
[root@memda www]# composer global require "laravel/installer=~1.1"
Changed current directory to /root/.composer
./composer.json has been created
Loading composer repositories with package information
Updating dependencies (including require-dev)
- Installing symfony/process (v3.1.3)
Downloading: Failed
Downloading: Failed
Downloading: Failed
Failed to download symfony/process from dist: The "https://api.github.com/repos/symfony/process/zipball/04c2dfaae4ec56a5c677b0c69fac34637d815758" file could not be downloaded: failed to open stream: No route to host
Now trying to download from source
- Installing symfony/process (v3.1.3)
Cloning 04c2dfaae4ec56a5c677b0c69fac34637d815758
Installation failed, deleting ./composer.json.
The disk hosting /root/.composer is full, this may be the cause of the following exception
[RuntimeException]
Failed to clone https://github.com/symfony/process.git via https, ssh protocols, aborting.
- https://github.com/symfony/process.git
error: Failed connect to github.com:443; Operation now in progress while accessing https://github.com/symfony/process.git/info/refs
fatal: HTTP request failed
- git@github.com:symfony/process.git
ssh: connect to host github.com port 22: No route to host
fatal: The remote end hung up unexpectedly
require [--dev] [--prefer-source] [--prefer-dist] [--no-plugins] [--no-progress] [--no-update] [--update-no-dev] [--update-with-dependencies] [--ignore-platform-reqs] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--] []...总是会出现symfony/process下载失败的过程，而且完全查不到原因呀，哭哭哭哭……
自己解决，忘记修改composer的全局配置了，镜像还是要使用国内的镜像，
composer config -g repo.packagist composer https://packagist.phpcomposer...
好蠢！
