Ubuntu Linux: Install or Add PHP-GD Support To Apache Web Server

I am using an Apache web server and PHP 5 server-side scripting language to produce dynamic web pages for our corporate website. How do I install install php gd support on an Apache/PHP5 for dynamically manipulating images under Ubuntu Linux LTS?

PHP is used mainly in server-side application software along with various addons.

[donotprint][/donotprint]PHP includes a large number of free and open source libraries with the core build. PHP is a fundamentally Internet-aware system with modules built in for accessing FTP servers, many database servers, embedded SQL libraries such as embedded MySQL and SQLite, LDAP servers, and others. Many functions familiar to C programmers such as those in the stdio family are available in the standard PHP build.

The GD Graphics Library for dynamically manipulating images. You will need to compile PHP with the GD library of image functions for this to work. However. Ubuntu (and Debian) Linux comes with the package called php5-gd. Just type the following command to install this module:
# apt-get install php5-gd
$ sudo apt-get install php5-gd

Sample outputs (from my Debian server)

apt-get install php5-gd
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
Suggested packages:
The following packages will be REMOVED:
The following NEW packages will be installed:
  libgd2-xpm php5-gd
0 upgraded, 2 newly installed, 1 to remove and 7 not upgraded.
Need to get 270 kB of archives.
After this operation, 176 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://debian.osuosl.org/debian/ squeeze/main libgd2-xpm amd64 2.0.36~rc1~dfsg-5 [231 kB]
Get:2 http://security.debian.org/ squeeze/updates/main php5-gd amd64 5.3.3-7+squeeze9 [39.1 kB]
Fetched 270 kB in 2s (124 kB/s)                                      
dpkg: libgd2-noxpm: dependency problems, but removing anyway as you requested:
 libgvc5 depends on libgd2-noxpm (>= 2.0.36~rc1~dfsg) | libgd2-xpm (>= 2.0.36~rc1~dfsg); however:
  Package libgd2-noxpm is to be removed.
  Package libgd2-xpm is not installed.
(Reading database ... 206928 files and directories currently installed.)
Removing libgd2-noxpm ...
Selecting previously deselected package libgd2-xpm.
(Reading database ... 206919 files and directories currently installed.)
Unpacking libgd2-xpm (from .../libgd2-xpm_2.0.36~rc1~dfsg-5_amd64.deb) ...
Setting up libgd2-xpm (2.0.36~rc1~dfsg-5) ...
Selecting previously deselected package php5-gd.
(Reading database ... 206930 files and directories currently installed.)
Unpacking php5-gd (from .../php5-gd_5.3.3-7+squeeze9_amd64.deb) ...
Processing triggers for libapache2-mod-php5 ...
Reloading web server config: apache2.
Setting up php5-gd (5.3.3-7+squeeze9) ...

Finally, restart the Apache 2 web server, enter:
# /etc/init.d/apache2 restart
Now, you can test your php application.

How do I verify that php5-gd support loaded or not?

Type the following command at a shell prompt:
$ php5 -m | grep -i gd
Sample outputs:


$ php5 -i | grep -i --color gd
$ php -i | grep -i --color gd
Sample outputs:

Additional .ini files parsed => /etc/php5/cli/conf.d/gd.ini,
GD Support => enabled
GD Version => 2.0
gd.jpeg_ignore_warning => 0 => 0
XAUTHORITY => /var/run/gdm3/auth-for-vivek-ruJHl1/database
_SERVER["XAUTHORITY"] => /var/run/gdm3/auth-for-vivek-ruJHl1/database

You can also use the following php code. Create a file called test.php and put in your web server directory i.e. Apache DocumentRoot (such as /var/www):


Run it as follows:
Look for GD extension.

Posted by: SXI ADMIN

The author is the creator of SXI LLC and a seasoned sysadmin, DevOps engineer, and a trainer for the Linux operating system/Unix shell scripting. Get the latest tutorials on SysAdmin, Linux/Unix and open source topics via RSS/XML feed or weekly email newsletter.

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