Source

Install Apache:

# yum install httpd -y

Start the Apache service and let it to start automatically on every reboot:

# service httpd start
# chkconfig httpd on

Install MySQL

# yum install mysql mysql-server -y

Start the MySQL service and make to start automatically on every reboot.

# service mysqld start
# chkconfig mysqld on 

Setup MySQL root password

By default, mysql root user doesn’t has password. To secure mysql, we have to setup mysql root user password.

# mysql_secure_installation

Install PHP

# yum install php -y

Restart httpd service:

# service httpd restart

# yum install php-mysql -y

Install EPEL (Extra Packages for Enterprise Linux.)
# wget http://epel.mirror.net.in/epel/6/i386/epel-release-6-8.noarch.rpm
# rpm -Uvh epel-release-6-8.noarch.rpm

# yum repolist

Now install phpMyAdmin

# yum install phpmyadmin -y 

Edit the phpmyadmin.conf file.

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

Find and comment the whole /<Directory> section as shown below:

# cp /usr/share/phpMyAdmin/config.sample.inc.php /usr/share/phpMyAdmin/config.inc.php 
# vi /usr/share/phpMyAdmin/config.inc.php

Change cookie to http.

Restart the Apache service:

# service httpd restart