Default settings for mysql What Is Mysql's Default Root Password?

[iGuest 3]

Default settings for mysqlWhat Is Mysql's Default Root Password?

I m using ubuntu and I have downloaded mysql query browser what is  server host name, username, password and port number. I have tried host name as localhost, username as root and password as blank and port number 3306. But I m getting error Could not connect to host 'localhost'.MySQL Error Nr. 2002Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.Sock' (2).

 Can anyone help me?