Install and Configure phpMyAdmin

yum -y install phpmyadmin
Install MySQL server on a CentOS/RHEL
You need download and install MySQL server on CentOS/RHEL using the following yum command:
# yum install mysql-server mysql

Turn on and start the mysql service, type:
# chkconfig mysqld on
# service mysqld start

Set root password and secure mysql installation by running the following command:
# mysql_secure_installation
Step #3: Configure phpMyAdmin

You need to edit /etc/httpd/conf.d/phpMyAdmin.conf file, enter:
# vi /etc/httpd/conf.d/phpMyAdmin.conf

It allows only localhost by default.
For HTTPD SSL enable (mod_ssl) and allow LAN / WAN users or DBA user to manage the database over www.

Require ip 127.0.0.1
Replace with your workstation IP address:
Require ip x.x.x.x
Again find the following line:
Allow from 127.0.0.1
Replace as follows:
Allow from x.x.x.x
Save and close the file. Restart Apache / httpd server:
# service httpd restart

type the following url in browser:
https://your-server-ip/phpMyAdmin/
OR
http://your-server-ip/phpMyAdmin/
# vi /etc/phpMyAdmin/config.inc.php

………

http://www.cyberciti.biz/faq/centos-fedora-redhat-linux-installing-phpmyadmin-webtool/

HTTPD SSL as described here (mod_ssl):
http://www.cyberciti.biz/faq/rhel-apache-httpd-mod-ssl-tutorial/