Mysqladmin: connect to server at 'localhost' failed

Hi ,
I am getting this on trying to install using install script
Installing for centos 6 amd64
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Adding centos mariadb repo
Installing packages for centos. This might take time…
Installing wkhtmltopdf
Installing supervisor
Starting supervisord:
Configuring CentOS services
Starting services
mysqladmin: connect to server at ‘localhost’ failed
error: ‘Access denied for user ‘root’@‘localhost’ (using password: NO)’

Please Help

Seems mysql root password is wrong.

Thanks for reply .
mysql was installed by install script so how is it possible ? Script is supposed to provide the password .

Try to connect mysql as root user from terminal using password provided by installer script. If error persis, then Reset root password