Thursday, November 12, 2009

RHEL Installing Apache2 With PHP5 And MySQL Support LAMP Server

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver on a Fedora 11 server with PHP5 support (mod_php) and MySQL support.

Step 1
#yum install mysql mysql-server httpd php php-mysql php-gd php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc phpmyadmin



Step 2
In this tutorial I use the hostname rajat.yeswedeal.com with the IP address 192.168.1.110 These settings might differ for you, so you have to replace them where appropriate.

Then we create the system startup links for MySQL (so that MySQL starts automatically whenever the system boots) and start the MySQL server:

chkconfig --levels 235 mysqld on
/etc/init.d/mysqld start

Run

mysqladmin -u root password yourrootsqlpassword
mysqladmin -h rajat.yeswedeal.com -u root password yourrootsqlpassword

to set a password for the user root (otherwise anybody can access your MySQL database!).


Apache2 is available as a RHEL package, therefore we can install it like this:

Now configure your system to start Apache at boot time...

chkconfig --levels 235 httpd on

... and start Apache:

/etc/init.d/httpd start

Now direct your browser to http://192.168.1.110, and you should see the Apache2 placeholder

Apache's default document root is /var/www/html on Fedora, and the configuration file is /etc/httpd/conf/httpd.conf. Additional configurations are stored in the /etc/httpd/conf.d/ directory.

We must restart Apache afterwards:

/etc/init.d/httpd restart


Testing PHP5 / Getting Details About Your PHP5 Installation

The document root of the default web site is /var/www/html. We will now create a small PHP file (info.php) in that directory and call it in a browser. The file will display lots of useful details about our PHP installation, such as the installed PHP version.

vi /var/www/html/info.php



Now we call that file in a browser (e.g. http://192.168.1.110/info.php):

As you see, PHP5 is working, and it's working through the Apache 2.0 Handler, as shown in the Server API line. If you scroll further down, you will see all modules that are already enabled in PHP5. MySQL is not listed there which means we don't have MySQL support in PHP5 yet.

Now restart Apache2:

/etc/init.d/httpd restart

Now reload http://192.168.1.110/info.php in your browser and scroll down to the modules section again. You should now find lots of new modules there, including the MySQL module:

Now we configure phpMyAdmin. We change the Apache configuration so that phpMyAdmin allows connections not just from localhost (by commenting out the stanza):

vi /etc/httpd/conf.d/phpMyAdmin.conf

# phpMyAdmin - Web based MySQL browser written in php
#
# Allows only localhost by default
#
# But allowing phpMyAdmin to anyone other than localhost should be considered
# dangerous unless properly secured by SSL

Alias /phpMyAdmin /usr/share/phpMyAdmin
Alias /phpmyadmin /usr/share/phpMyAdmin
#
# order deny,allow
# deny from all
# allow from 127.0.0.1
# allow from ::1
#


# This directory does not require access over HTTP - taken from the original
# phpMyAdmin upstream tarball
#

Order Deny,Allow
Deny from All
Allow from None


# This configuration prevents mod_security at phpMyAdmin directories from
# filtering SQL etc. This may break your mod_security implementation.
#
#
#
# SecRuleInheritance Off
#

#


Restart Apache:

/etc/init.d/httpd restart

Afterwards, you can access phpMyAdmin under http://192.168.1.110/phpmyadmin/:
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