How to install the php GD extension library on a linux Server

The GD extension library is a graph processing extension library in php. By default, the GD extension library is not installed. If you need to install it, you need to perform simple operations, directly in php. remove the GD library in ini. But it is not that simple in linux. Next I will introduce you to the GD extension library in linux.

Direct installation:

Centos installation:

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Rpm-qa | grep php-gd

If not, run the following command:

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Yum install php-gd

Restart apache

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Service httpd restart

Ubuntu installation:

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Apt-get install php-dg

Windows installation:

Find php. ini, open the content, and find:; extension = php_gd2.dll to remove the front semicolon!