As we known, the default phpmyadmin path is "ip address/phpmyadmin", it do not rename it the related infomation of your host may be leaked. Then how to it. Let's rename it As below:
For example: your phpmyadmin path is /home/wwwroot/default/phpmyadmin
cd /home/wwwroot/default mv phpmyadmin newpathname
Note: It's suggested that the "newpathname" try to be a little long and complex.