Extension gd est absent de votre système - laravel compositeur

J'ai récemment installer Dompdf dans Laravel Projet via Composer (composer require barryvdh/laravel-dompdf). Après, entrez la Commande Terminal de Réponse, Suite à des Erreurs.

Problem 1
- dompdf/dompdf v0.7.0 requires ext-gd * -> the requested PHP extension gd is missing from your system.
- barryvdh/laravel-dompdf v0.7.0 requires dompdf/dompdf ^0.7 -> satisfiable by dompdf/dompdf[v0.7.0].
- Installation request for barryvdh/laravel-dompdf ^0.7.0 -> satisfiable by barryvdh/laravel-dompdf[v0.7.0].
To enable extensions, verify that they are enabled in those .ini files:
- /etc/php/5.6/cli/php.ini
- /etc/php/5.6/cli/conf.d/10-opcache.ini
- /etc/php/5.6/cli/conf.d/10-pdo.ini
- /etc/php/5.6/cli/conf.d/15-xml.ini
- /etc/php/5.6/cli/conf.d/20-calendar.ini
- /etc/php/5.6/cli/conf.d/20-ctype.ini
- /etc/php/5.6/cli/conf.d/20-dom.ini
- /etc/php/5.6/cli/conf.d/20-exif.ini
- /etc/php/5.6/cli/conf.d/20-fileinfo.ini
- /etc/php/5.6/cli/conf.d/20-ftp.ini
- /etc/php/5.6/cli/conf.d/20-gettext.ini
- /etc/php/5.6/cli/conf.d/20-iconv.ini
- /etc/php/5.6/cli/conf.d/20-json.ini
- /etc/php/5.6/cli/conf.d/20-mbstring.ini
- /etc/php/5.6/cli/conf.d/20-phar.ini
- /etc/php/5.6/cli/conf.d/20-posix.ini
- /etc/php/5.6/cli/conf.d/20-readline.ini
- /etc/php/5.6/cli/conf.d/20-shmop.ini
- /etc/php/5.6/cli/conf.d/20-simplexml.ini
- /etc/php/5.6/cli/conf.d/20-sockets.ini
- /etc/php/5.6/cli/conf.d/20-sysvmsg.ini
- /etc/php/5.6/cli/conf.d/20-sysvsem.ini
- /etc/php/5.6/cli/conf.d/20-sysvshm.ini
- /etc/php/5.6/cli/conf.d/20-tokenizer.ini
- /etc/php/5.6/cli/conf.d/20-wddx.ini
- /etc/php/5.6/cli/conf.d/20-xmlreader.ini
- /etc/php/5.6/cli/conf.d/20-xmlwriter.ini
- /etc/php/5.6/cli/conf.d/20-xsl.ini
You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode.

Comment Résoudre cette Erreur

J'ai déjà Installé à l'aide de GD commentaire Suivant. sudo apt-get install php5-gd et aussi Apache Serveur Redémarré. Mon Laravel Version 5.3 et Ubuntu Version 14.04

source d'informationauteur Karthik