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Install PHP 5 in Red Hat Enterprise Linux 5

Q. I saw your earlier article about how to install PHP 5 under Red Hat Enterprise Linux version 4. But I’m using Red Hat enterprise Linux 5 and I don’t want to mess up with old version instructions. Is there a way that I can install PHP5 under RHEL 5 without using source rpm?

A. Redhat Enterprise 5 supports PHP version 5 out of box. You can install PHP 5 using any one of the following method:

Method #1: Download and install php 5 from RHN

Type the following command to install php 5:
# yum install php
You may also want to install Apache and other php 5 extensions:
# yum install httpd php-gd php-mysql

Method #2: CD/DVD

Mount CD/DVD rom and use rpm command to install PHP5:
# rpm -ivh php*

Method #3: Use GUI package manager

Type the following command to start GUI package manager:
# system-config-package
Now Select PHP (under Web Servers) and install the same.

PHP not connecting to a MySQL database server

Q. I have Apache Web server and MySQL configured. Everything works fine except I am not able to connect to a MySQL database server (I am able to connect mysql server with mysql client). So how do I configure or connect PHP scripts?

A. You need to install MySQL module for php4 or php5. Without php-mysql shared object or module, php scripts won't able to connect to MySQL database server.

Debian / Ubuntu Linux User

To install type the following command:
# apt-get install php4-mysql
if you are using PHP5, enter:
# apt-get install php5-mysql

RHEL <= 4 user

If you are using Red Hat Linux:
# up2date php-mysql

If you are using Fedora / CentOS / RHEL 5 Linux:
# yum install php-mysql
Restart apache to take effect. Now you will be able to connect MySQL via PHP scripts.
# service httpd restart