How to login to PHPMyAdmin directly (without logging in to the cPanel interface) ?
This can be achieved by the following steps :
First, download and untar the latest version in to your public_html folder.
tar -zxvf phpMyAdmin-184.108.40.206-english.tar.gz
mv phpMyAdmin-220.127.116.11-english phpMyAdmin
Then, create a file named config.inc.php and put the following entries in it .
Now, you would be able to access it as http://domainname.com/phpmyadmin
For more details on this , please refer this.