Cacti MySQL server on ' localhost ' error

Cacti "Fatal:cannot Connect to MySQL server on ' localhost ' error

[[email protected] cacti]# PHP poller.php

Fatal:cannot Connect to MySQL server on ' localhost '. Please make sure the specified a valid MySQL database name in ' include/config.php '

When all the configuration in MySQL and cacti config.php are correct, but still the error occurs, that is the reason for the MySQL socket ~ cacti will automatically find/var/lib/mysql/mysql.sock the socket, However, if the source installation of MySQL, the socket location is not specified, the location of the socket is/tmp/mysql.sock, because cacti did not find/var/lib/mysql/mysql.sock, so the display is "cannot Connect to MySQL server on ' localhost '

Cacti MySQL server on ' localhost ' error