#php7.2-gd

Step 1: Install gdebi

apt-get install gdebi

Note:gdebi will look for all the dependencies of the .deb file, and will install them before attempting to install the .deb file

Step 2: Download & Install php-common

$curl -o php-common.deb http://ports.ubuntu.com/pool/main/p/php-defaults/php-common_60ubuntu1_all.deb $curl -o php7.2-common.deb http://ports.ubuntu.com/pool/main/p/php7.2/php7.2-common_7.2.3-1ubuntu1_armhf.deb

$ gdebi php-common.deb $ gdebi php7.2-common.deb

Step 3: Download & Install php7.2-gd

Reference:https://ubuntu.pkgs.org/18.04/ubuntu-main-armhf/php7.2-gd_7.2.3-1ubuntu1_armhf.deb.html

$ curl -o php7.2-gd.deb http://ports.ubuntu.com/pool/main/p/php7.2/php7.2-gd_7.2.3-1ubuntu1_armhf.deb

$ gdebi php7.2-gd.deb

Step 4: Edit php.ini

Note: Check phpinfo() to get the exact path of your php.ini Note: The default path of gd.so extension is /usr/lib/php/20170718/gd.so

vim php.ini extensions=/usr/lib/php/20170718/gd.so

Step 5: Restart/Reload Apache server