#Install Zend Guard (32 bits)
zend guard (32 bits)
wget http://downloads.zend.com/guard/5.5.0/ZendGuardLoader-php-5.3-linux-glibc23-i386.tar.gz
tar -zxf ZendGuardLoader-php-5.3-linux-glibc23-i386.tar.gz
cp ZendGuardLoader-php-5.3-linux-glibc23-i386/php-5.3.x/ZendGuardLoader.so /usr/lib/php/modules
#add zend path to php.ini with nano
nano /etc/php.ini
zend_extension=/usr/lib/php/modules/ZendGuardLoader.so
 
#or for 64 bits
 
#Install Zend Guard (64 bits)
wget http://downloads.zend.com/guard/5.5.0/ZendGuardLoader-php-5.3-linux-glibc23-x86_64.tar.gz
tar -zxvf ZendGuardLoader-php-5.3-linux-glibc23-x86_64.tar.gz
cp ZendGuardLoader-php-5.3-linux-glibc23-x86_64/php-5.3.x/ZendGuardLoader.so  /usr/lib64/php/modules
#add zend path to php.ini with nano
nano /etc/php.ini
zend_extension=/usr/lib64/php/modules/ZendGuardLoader.so

(5) Install phpmyadmin