HTTP/1.1 200 OK Server: nginx Date: Mon, 16 Jul 2018 13:45:06 GMT Content-Type: text/html; charset=utf-8 Transfer-Encoding: chunked Connection: keep-alive X-Drupal-Cache: MISS Expires: Sun, 19 Nov 1978 05:00:00 GMT Cache-Control: no-cache, must-revalidate X-Content-Type-Options: nosniff Content-Language: en X-Frame-Options: SAMEORIGIN X-UA-Compatible: IE=edge X-Generator: Drupal 7 (http://drupal.org) Link: ; rel="canonical",; rel="shortlink" Vary: Accept-Encoding X-Request-ID: v-72292578-88fe-11e8-b824-22000b770232 X-AH-Environment: prod X-Varnish: 49873456 Age: 0 Via: 1.1 varnish-v4 X-Cache: MISS Accept-Ranges: bytes Get our Linux networking cheat sheet | Opensource.com
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If your daily tasks include managing servers and the data center's network. The following Linux utilities and commands—from basic to advanced—will help make network management easier. In several of these commands, you'll see <fqdn>, which stands for "fully qualified domain name." When you see this, substitute your website URL or your server (e.g., server-name.company.com), as the case may be. Download the cheat sheet[2] About the author 
Archit Modi - OpenStack enthusiast. Linux and Networking guy. Currently working as a Software Test Engineer at Red Hat, involved in Nova project- OpenStack. Just trying