Login as root!
    Update your System by the following code:
    Code:
    yum update
    Then disable Selinux and Firewall by this command:
    Code:
    sed -i 's|SELINUX=enforcing|SELINUX=disabled|' /etc/selinux/config
    then this,
    Code:
    setenforce 0
    and then this,
    Code:
    service iptables stop
    and finally this.
    Code:
    chkconfig iptables off
    Install EPEL Repository:
    If you are using centos 5, Then use these commands.
    Code:
    wget http://dl.fedoraproj...-5-4.noarch.rpm
    Code:
    rpm -Uvh epel-release-5-4.noarch.rpm
    Code:
    rm -f epel-release-5-4.noarch.rpm
    Code:
    sed -i "s/gpgcheck=./gpgcheck=0/g" /etc/yum.conf
    ^^(Disable the gpg key check is only needed at CentOS 5)

    For Centos 6, Use these commands.
    Code:
    wget http://dl.fedoraproj...-6-8.noarch.rpm
    Code:
    rpm -Uvh epel-release-6-8.noarch.rpm
    Code:
    rm -f epel-release-6-8.noarch.rpm
    Download ogp_panel-2756-1.noarch.rpm:
    Code:
    wget http://master.dl.sou...56-1.noarch.rpm
    Install the package and dependencies:
    Code:
    yum -y install ogp_panel-2756-1.noarch.rpm
    Then start both services, httpd and mysqld, and add them to the system startup:
    Code:
    service httpd restart
    Code:
    chkconfig --levels 235 httpd on
    Code:
    service mysqld restart
    Code:
    chkconfig --levels 235 mysqld on
    Now, Setup Mysql:
    Code:
    mysql_secure_installation
    Now,Open your web browser and load phpmyadmin :
    Code:
    http://[Your VPS IP]/phpmyadmin
    Once you loged in to PHPMyAdmin with your mysql's root login, click on privilegies and create an user and a database, and give privilegies on this database to the created user.
    Now open the main page for your VPS server:
    Code:
    http://[Your server IP]/

    Complete the installation process by using the user and database created on PHPMyAdmin, the host for MySQL is "localhost".
    Once your panel has been installed successfully, for security reasons, you must remove the installation script:
    Code:
    rm -f /var/www/html/install.php

Good luck friends!