Configure phpMyAdmin 4.2.11 on Linux.

 phpMyAdmin is a free software tool written in php, intended to handle the administration of MySQL over the web. phpMyAdmin supports a wide range of operations with MySQL. 

phpMyAdmin Installation on Linux:
(Note: First Install all the related files to run MySQL, php, Apache)

#yum install httpd*
#yum install php-mysql*
#yum install mysql-server

configure your Apache web server(if you have any problem regarding that you can look in my previous post "How to configure Apache or httpd Server")

check in the /etc/httpd/conf.d that there is php.conf file is present

start all the required services 

#service httpd start

#service mysqld start

#chkconfig httpd on

#chkconfig mysqld on

Download the latest version of  phpmyadmin Currently the stable version of phpMyAdmin is 4.2.11

After downloading it uncompressed it

#tar -xjvf php ....................... (depending upon the version u downloaded)

move this folder to your web directory in which your site is located and rename it as i have done php and open the configuration file, make changes to the settings so that you can access it via http:

#vi config.inc.php

make changes into line no. 73

73 $cfg['Servers'][$i]['auth_type']    ='http';     (enter http here in =''; line no. 73)

:wq            
(save and quite)

restart the httpd service and access it via web browser, inter in the address browser your IP/php to access.

#service httpd restart
in web browser your IP/php

If you had set any password for your mysql than use that other wise it will be blank

username: root

password: blank

If you want to know the username and password of your phpMyAdmin go to:

#vi config.inc.php

and see in line no. 74 & 75 - 

74   $cfg['Servers'][$i]['user']       ='root';              (MySQL user)

75   $cfg['Servers'][$i]['password']   ='';                 (MySQL password)

For any query please feel free to contact me my email ID is sashwatkatore@gmail.com.