HOW TO INSTALL GD LIBRARY PHP 5 UBUNTU SSH PUTTY

Here is the steps for Ubuntu Server 8.04.1 and PHP5. Like Djamu said it will install a GD pre-compiled working version. It is a complete bundled (forked) GD libraries:

1. If not already done removing your current GD package and its configurations.
sudo apt-get --purge remove

2. Adding 2 lines to your file /etc/apt/sources.lst

deb http://packages.dotdeb.org stable all
deb-src http://packages.dotdeb.org stable all</DIV>

3. Updating your current apt-get list
apt-get update

4. Installing working GD package.
apt-get install php5-gd

It will complain about non-authenticated sources, just ignore, it will also update some additional php libs.

When prompt select keep_current modified php.ini

5. Restarting Apache
/etc/init.d/apache2 restart

Enjoy