install phpMyAdmin on Fedora or CentOS

1. Install HTTPD, PHP, MySQL first.
2. Download phpMyAdmin
3. unzip phpMyAdmin under directory /var/www/html/
4. make sure your mysql server and httpd are running: service mysqld start and service httpd start
5. if you have not set root password for new installed MySQL, running the following command to set a password to avoid error message "fedora Login without a password is forbidden by configuration (see AllowNoPassword)": $ mysqladmin -u root password NEWPASSWORD
6. running command system-config-services and system-config-firewall to doulbe check your httpd and mysqld is enabled and running