Prestashop Installation error while connecting to Database

While installing Prestashop if you are getting the error :

"Database server was not found. Please verify the login, password and server fields."


Check and comment the following attributes :

     vi /etc/my.cnf

    skip-networking
    skip-name-resolve
    skip-host-cache
    skip-locking

Now restart the mysql service

The database will be get connected.