Can't coect to local MySQL server through socket - fedora

I am a new fedora user and i am installing ROR on my machine. but when i try to enter the following command "rake db:create" it shows the following errors. can any one please tell me how can i solve this problem.

[smehsan@localhost proone]$ rake db:create

'/var/run/mysqld/mysqld.sock' (13 "Permission denied")> Couldn't create database for {"adapter"=>"mysql2", "encoding"=>"utf8", "pool"=>5, "useame"=>"root", "password"=>nil, "socket"=>"/var/run/mysqld/mysqld.sock", "database"=>"proone_development"}, {:charset=>"utf8", :collation=>"utf8_unicode_ci"} (If you set the charset manually, make sure you have a matching collation)

'/var/run/mysqld/mysqld.sock' (13 "Permission denied")> Couldn't create database for {"adapter"=>"mysql2", "encoding"=>"utf8", "pool"=>5, "useame"=>"root", "password"=>nil, "socket"=>"/var/run/mysqld/mysqld.sock", "database"=>"proone_test"}, {:charset=>"utf8", :collation=>"utf8_unicode_ci"} (If you set the charset manually, make sure you have a matching collation) [smehsan@localhost proone]$