vagrant@lebowski:~/lebowski$ composer update -n
Loading composer repositories with package information
The "https://packagist.org/packages.json" file could not be downloaded: php_network_getaddresses: getaddrinfo failed: No
 address associated with hostname
failed to open stream: php_network_getaddresses: getaddrinfo failed: No address associated with hostname
https://packagist.org could not be fully loaded, package information was loaded from the local cache and may be out of d
ate
Updating dependencies (including require-dev)



  [Composer\Downloader\TransportException]
  The "http://packagist.org/p/tymon/jwt-auth$190e6415bc4dc424ab992162c25c7b9fe5f8107d0df28ddd9d7cd105cc05d0fe.json" f
  ile could not be downloaded: php_network_getaddresses: getaddrinfo failed: No address associated with hostname
  failed to open stream: php_network_getaddresses: getaddrinfo failed: No address associated with hostname



update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock] [--no-plugins] [--no-custom-installers]
 [--no-scripts] [--no-progress] [--with-dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [--ignore-platfor
m-reqs] [packages1] ... [packagesN]