如何解决Laravel安装命令上的ubuntu错误？

Question

Laravel全局安装程序在存储库上显示错误

用于安装和出错的代码：

inurture@sandbox:~$ composer global require "laravel/installer=~1.1"
Changed current directory to /home/inurture/.composer


  [Composer\Downloader\TransportException]
  The "https://repo.packagist.org/packages.json" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution
  failed to open stream: php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution


require [--dev] [--prefer-source] [--prefer-dist] [--no-progress] [--no-suggest] [--no-update] [--no-scripts] [--update-no-dev] [--update-with-dependencies] [--update-with-all-dependencies] [--ignore-platform-reqs] [--prefer-stable] [--prefer-lowest] [--sort-packages] [-o|--optimize-autoloader] [-a|--classmap-authoritative] [--apcu-autoloader] [--] []...

如何解决此暂时性故障？